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2016-09-01l2tp: make nla_policy conststephen hemminger1-1/+1
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01tcp: make nla_policy conststephen hemminger1-1/+1
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01ila: make nla_policy conststephen hemminger2-2/+2
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01fou: make nla_policy conststephen hemminger1-1/+1
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01netns: make nla_policy conststephen hemminger1-1/+1
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01batman: make netlink attributes conststephen hemminger1-2/+2
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01drop_monitor: make genl_multicast_group conststephen hemminger1-1/+1
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01net: make genetlink ctrl ops conststephen hemminger1-2/+2
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01Merge branch 'stmmac-STM32F429'David S. Miller5-0/+239
Alexandre TORGUE says: ==================== Add Ethernet support on STM32F429 STM32F429 Chip embeds a Synopsys 3.50a MAC IP. This series enhance current stmmac driver to control it (code already available) and adds basic glue for STM32F429 chip. Changes since v5: -Fix typo in bindings documentation patch. -Change clocks names in stm32-dwmac glue driver / Documentation. -After rebase, stm32 ethernet node is now available. It has to be updated according to new clocks names. Changes since v4: -Fix dirty copy/past in bindings documentation patch. Changes since v3: -Fix "tx-clk" and "rx-clk" as required clocks. Driver and bindings are modified. Changes since v2: -Fix alphabetic order in Kconfig and Makefile. -Improve code according to Joachim review. -Binding: remove useless entry. Changes since v1: -Fix Kbuild issue in Kconfig. -Remove init/exit callbacks. Suspend/Resume and remove driver is no more driven in stmmac_pltfr but directly in dwmac-stm32 glue driver. -Take into account Joachim review. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01net: ethernet: stmmac: add support of Synopsys 3.50a MAC IPAlexandre TORGUE1-0/+1
Adds support of Synopsys 3.50a MAC IP in stmmac driver. Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Tested-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01Documentation: Bindings: Add STM32 DWMAC glueAlexandre TORGUE1-0/+32
Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre TORGUE <alexandre.torgue@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01net: ethernet: dwmac: add Ethernet glue logic for stm32 chipAlexandre TORGUE3-0/+206
stm324xx family chips support Synopsys MAC 3.510 IP. This patch adds settings for logical glue logic: -clocks -mode selection MII or RMII. Reviewed-by: Joachim Eastwood <manabian@gmail.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Tested-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01mpls: get rid of trivial returnsstephen hemminger1-5/+0
return at end of function is useless. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01net: xgene: fix backward compatibility fixArnd Bergmann1-4/+0
A bugfix for backward compatibility handling introduced undefined behavior for the case that of_parse_phandle() does not return a valid entry, as "gcc -Wmaybe-unused" reports: drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_phy_connect': drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:776:6: error: 'phy_dev' may be used uninitialized in this function [-Werror=maybe-uninitialized] drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_mdio_config': drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:776:6: error: 'phy_dev' may be used uninitialized in this function [-Werror=maybe-uninitialized] We can work around this by removing the check for zero "np", as of_phy_connect() will correctly handle a NULL argument so we fall back into the normal error handling case. Note that I had previously fixed another bug that resulted in the exact same warning, but this is a different problem that was introduced after my original fix. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 03377e381bf4 ("drivers: net: xgene: Fix backward compatibility") Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01r8152: fix the coding style with checkpatch.plhayeswang1-6/+5
check the coding style with checkpatch.pl and fix the warnings and errors. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31Merge branch 'asix-pm-improvements'David S. Miller4-156/+575
Robert Foss says: ==================== net/usb: asix driver improvements This is a resubmission of v3, since the netdev mailinlist was not sent the previous submission. This series improves power management of the asix driver. - Suspend/resume support is improved to save needed registers. - Device disconnection is improved. - Fixes AX88772x resume failures - Implementes IEEE 802.3 spec section "22.2.4.1.1 Reset" correctly - Fixes AX_CMD_WRITE_MEDIUM_MODE being set incorrectly Changes since v1: - Added proper metadata tags to series. - Added two more patches to series. Changes since v2: - Added coverletter - Tested patches on AX88772A/AX88772B/AX88178/AX88179 hardware ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: asix: autoneg will set WRITE_MEDIUM regRobert Foss1-4/+1
From: Grant Grundler <grundler@chromium.org> The miii_nway_restart() causes a PHY link change activity and ax88772_link_reset will be called. link_reset will set AX_CMD_WRITE_MEDIUM_MODE register correctly. The asix_write_medium_mode in reset() fills in a default value to the register which may be different from the negotiation result. So do this first. Ignore the ret value since it's ignored in XXX_link_reset() functions. Signed-off-by: Grant Grundler <grundler@google.com> Signed-off-by: Robert Foss <robert.foss@collabora.com> Tested-by: Robert Foss <robert.foss@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: asix: see 802.3 spec for phy resetRobert Foss1-3/+24
From: Grant Grundler <grundler@chromium.org> https://lkml.org/lkml/2014/11/11/947 Ben Hutchings is correct. IEEE 802.3 spec section "22.2.4.1.1 Reset" requires up to 500ms delay. Mitigate the "max" delay by polling the phy until BCM_RESET bit is clear. Signed-off-by: Grant Grundler <grundler@chromium.org> Signed-off-by: Robert Foss <robert.foss@collabora.com> Tested-by: Robert Foss <robert.foss@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: asix: Fix AX88772x resume failuresRobert Foss1-1/+46
From: Allan Chou <allan@asix.com.tw> The change fixes AX88772x resume failure by - Restore incorrect AX88772A PHY registers when resetting - Need to stop MAC operation when suspending - Need to restart MII when restoring PHY Signed-off-by: Allan Chou <allan@asix.com.tw> Signed-off-by: Robert Foss <robert.foss@collabora.com> Tested-by: Robert Foss <robert.foss@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: asix: Avoid looping when the device is disconnectedRobert Foss2-12/+46
From: Vincent Palatin <vpalatin@chromium.org> Check the answers from the USB stack and avoid re-sending multiple times the request if the device has disappeared. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Signed-off-by: Robert Foss <robert.foss@collabora.com> Tested-by: Robert Foss <robert.foss@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: asix: Add in_pm parameterRobert Foss4-150/+472
From: Freddy Xin <freddy@asix.com.tw> In order to R/W registers in suspend/resume functions, in_pm flags are added to some functions to determine whether the nopm version of usb functions is called. Save BMCR and ANAR PHY registers in suspend function and restore them in resume function. Reset HW in resume function to ensure the PHY works correctly. Signed-off-by: Freddy Xin <freddy@asix.com.tw> Signed-off-by: Robert Foss <robert.foss@collabora.com> Tested-by: Robert Foss <robert.foss@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: axienet: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Suggested-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31r8152: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Suggested-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: mediatek: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Suggested-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31Merge branch 'ppp-recursion'David S. Miller1-12/+42
Guillaume Nault says: ==================== ppp: fix deadlock upon recursive xmit This series fixes the issue reported by Feng where packets looping through a ppp device makes the module deadlock: https://marc.info/?l=linux-netdev&m=147134567319038&w=2 The problem can occur on virtual interfaces (e.g. PPP over L2TP, or PPPoE on vxlan devices), when a PPP packet is routed back to the PPP interface. PPP's xmit path isn't reentrant, so patch #1 uses a per-cpu variable to detect and break recursion. Patch #2 sets the NETIF_F_LLTX flag to avoid lock inversion issues between ppp and txqueue locks. There are multiple entry points to the PPP xmit path. This series has been tested with lockdep and should address recursion issues no matter how the packet entered the path. A similar issue in L2TP is not covered by this series: l2tp_xmit_skb() also isn't reentrant, and it can be called as part of PPP's xmit path (pppol2tp_xmit()), or directly from the L2TP socket (l2tp_ppp_sendmsg()). If a packet is sent by l2tp_ppp_sendmsg() and routed to the parent PPP interface, then it's going to hit l2tp_xmit_skb() again. Breaking recursion as done in ppp_generic is not enough, because we'd still have a lock inversion issue (locking in l2tp_xmit_skb() can happen before or after locking in ppp_generic). The best approach would be to use the ip_tunnel functions and remove the socket locking in l2tp_xmit_skb(). But that'd be something for net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31ppp: declare PPP devices as LLTXGuillaume Nault1-0/+2
ppp_xmit_process() already locks the xmit path. If HARD_TX_LOCK() tries to hold the _xmit_lock we can get lock inversion. [ 973.726130] ====================================================== [ 973.727311] [ INFO: possible circular locking dependency detected ] [ 973.728546] 4.8.0-rc2 #1 Tainted: G O [ 973.728986] ------------------------------------------------------- [ 973.728986] accel-pppd/1806 is trying to acquire lock: [ 973.728986] (&qdisc_xmit_lock_key){+.-...}, at: [<ffffffff8146f6fe>] sch_direct_xmit+0x8d/0x221 [ 973.728986] [ 973.728986] but task is already holding lock: [ 973.728986] (l2tp_sock){+.-...}, at: [<ffffffffa0202c4a>] l2tp_xmit_skb+0x1e8/0x5d7 [l2tp_core] [ 973.728986] [ 973.728986] which lock already depends on the new lock. [ 973.728986] [ 973.728986] [ 973.728986] the existing dependency chain (in reverse order) is: [ 973.728986] -> #3 (l2tp_sock){+.-...}: [ 973.728986] [<ffffffff810b3130>] lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff815752f4>] _raw_spin_lock+0x2d/0x3c [ 973.728986] [<ffffffffa0202c4a>] l2tp_xmit_skb+0x1e8/0x5d7 [l2tp_core] [ 973.728986] [<ffffffffa01b2466>] pppol2tp_xmit+0x1f2/0x25e [l2tp_ppp] [ 973.728986] [<ffffffffa0184f59>] ppp_channel_push+0xb5/0x14a [ppp_generic] [ 973.728986] [<ffffffffa01853ed>] ppp_write+0x104/0x11c [ppp_generic] [ 973.728986] [<ffffffff811b2ec6>] __vfs_write+0x56/0x120 [ 973.728986] [<ffffffff811b3f4c>] vfs_write+0xbd/0x11b [ 973.728986] [<ffffffff811b4cb2>] SyS_write+0x5e/0x96 [ 973.728986] [<ffffffff81575ba5>] entry_SYSCALL_64_fastpath+0x18/0xa8 [ 973.728986] -> #2 (&(&pch->downl)->rlock){+.-...}: [ 973.728986] [<ffffffff810b3130>] lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff81575334>] _raw_spin_lock_bh+0x31/0x40 [ 973.728986] [<ffffffffa01808e2>] ppp_push+0xa7/0x82d [ppp_generic] [ 973.728986] [<ffffffffa0184675>] __ppp_xmit_process+0x48/0x877 [ppp_generic] [ 973.728986] [<ffffffffa018505b>] ppp_xmit_process+0x4b/0xaf [ppp_generic] [ 973.728986] [<ffffffffa01853f7>] ppp_write+0x10e/0x11c [ppp_generic] [ 973.728986] [<ffffffff811b2ec6>] __vfs_write+0x56/0x120 [ 973.728986] [<ffffffff811b3f4c>] vfs_write+0xbd/0x11b [ 973.728986] [<ffffffff811b4cb2>] SyS_write+0x5e/0x96 [ 973.728986] [<ffffffff81575ba5>] entry_SYSCALL_64_fastpath+0x18/0xa8 [ 973.728986] -> #1 (&(&ppp->wlock)->rlock){+.-...}: [ 973.728986] [<ffffffff810b3130>] lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff81575334>] _raw_spin_lock_bh+0x31/0x40 [ 973.728986] [<ffffffffa0184654>] __ppp_xmit_process+0x27/0x877 [ppp_generic] [ 973.728986] [<ffffffffa018505b>] ppp_xmit_process+0x4b/0xaf [ppp_generic] [ 973.728986] [<ffffffffa01852da>] ppp_start_xmit+0x21b/0x22a [ppp_generic] [ 973.728986] [<ffffffff8143f767>] dev_hard_start_xmit+0x1a9/0x43d [ 973.728986] [<ffffffff8146f747>] sch_direct_xmit+0xd6/0x221 [ 973.728986] [<ffffffff814401e4>] __dev_queue_xmit+0x62a/0x912 [ 973.728986] [<ffffffff814404d7>] dev_queue_xmit+0xb/0xd [ 973.728986] [<ffffffff81449978>] neigh_direct_output+0xc/0xe [ 973.728986] [<ffffffff8150e62b>] ip6_finish_output2+0x5a9/0x623 [ 973.728986] [<ffffffff81512128>] ip6_output+0x15e/0x16a [ 973.728986] [<ffffffff8153ef86>] dst_output+0x76/0x7f [ 973.728986] [<ffffffff8153f737>] mld_sendpack+0x335/0x404 [ 973.728986] [<ffffffff81541c61>] mld_send_initial_cr.part.21+0x99/0xa2 [ 973.728986] [<ffffffff8154441d>] ipv6_mc_dad_complete+0x42/0x71 [ 973.728986] [<ffffffff8151c4bd>] addrconf_dad_completed+0x1cf/0x2ea [ 973.728986] [<ffffffff8151e4fa>] addrconf_dad_work+0x453/0x520 [ 973.728986] [<ffffffff8107a393>] process_one_work+0x365/0x6f0 [ 973.728986] [<ffffffff8107aecd>] worker_thread+0x2de/0x421 [ 973.728986] [<ffffffff810816fb>] kthread+0x121/0x130 [ 973.728986] [<ffffffff81575dbf>] ret_from_fork+0x1f/0x40 [ 973.728986] -> #0 (&qdisc_xmit_lock_key){+.-...}: [ 973.728986] [<ffffffff810b28d6>] __lock_acquire+0x1118/0x1483 [ 973.728986] [<ffffffff810b3130>] lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff815752f4>] _raw_spin_lock+0x2d/0x3c [ 973.728986] [<ffffffff8146f6fe>] sch_direct_xmit+0x8d/0x221 [ 973.728986] [<ffffffff814401e4>] __dev_queue_xmit+0x62a/0x912 [ 973.728986] [<ffffffff814404d7>] dev_queue_xmit+0xb/0xd [ 973.728986] [<ffffffff81449978>] neigh_direct_output+0xc/0xe [ 973.728986] [<ffffffff81487811>] ip_finish_output2+0x5db/0x609 [ 973.728986] [<ffffffff81489590>] ip_finish_output+0x152/0x15e [ 973.728986] [<ffffffff8148a0d4>] ip_output+0x8c/0x96 [ 973.728986] [<ffffffff81489652>] ip_local_out+0x41/0x4a [ 973.728986] [<ffffffff81489e7d>] ip_queue_xmit+0x5a5/0x609 [ 973.728986] [<ffffffffa0202fe4>] l2tp_xmit_skb+0x582/0x5d7 [l2tp_core] [ 973.728986] [<ffffffffa01b2466>] pppol2tp_xmit+0x1f2/0x25e [l2tp_ppp] [ 973.728986] [<ffffffffa0184f59>] ppp_channel_push+0xb5/0x14a [ppp_generic] [ 973.728986] [<ffffffffa01853ed>] ppp_write+0x104/0x11c [ppp_generic] [ 973.728986] [<ffffffff811b2ec6>] __vfs_write+0x56/0x120 [ 973.728986] [<ffffffff811b3f4c>] vfs_write+0xbd/0x11b [ 973.728986] [<ffffffff811b4cb2>] SyS_write+0x5e/0x96 [ 973.728986] [<ffffffff81575ba5>] entry_SYSCALL_64_fastpath+0x18/0xa8 [ 973.728986] [ 973.728986] other info that might help us debug this: [ 973.728986] [ 973.728986] Chain exists of: &qdisc_xmit_lock_key --> &(&pch->downl)->rlock --> l2tp_sock [ 973.728986] Possible unsafe locking scenario: [ 973.728986] [ 973.728986] CPU0 CPU1 [ 973.728986] ---- ---- [ 973.728986] lock(l2tp_sock); [ 973.728986] lock(&(&pch->downl)->rlock); [ 973.728986] lock(l2tp_sock); [ 973.728986] lock(&qdisc_xmit_lock_key); [ 973.728986] [ 973.728986] *** DEADLOCK *** [ 973.728986] [ 973.728986] 6 locks held by accel-pppd/1806: [ 973.728986] #0: (&(&pch->downl)->rlock){+.-...}, at: [<ffffffffa0184efa>] ppp_channel_push+0x56/0x14a [ppp_generic] [ 973.728986] #1: (l2tp_sock){+.-...}, at: [<ffffffffa0202c4a>] l2tp_xmit_skb+0x1e8/0x5d7 [l2tp_core] [ 973.728986] #2: (rcu_read_lock){......}, at: [<ffffffff81486981>] rcu_lock_acquire+0x0/0x20 [ 973.728986] #3: (rcu_read_lock_bh){......}, at: [<ffffffff81486981>] rcu_lock_acquire+0x0/0x20 [ 973.728986] #4: (rcu_read_lock_bh){......}, at: [<ffffffff814340e3>] rcu_lock_acquire+0x0/0x20 [ 973.728986] #5: (dev->qdisc_running_key ?: &qdisc_running_key#2){+.....}, at: [<ffffffff8144011e>] __dev_queue_xmit+0x564/0x912 [ 973.728986] [ 973.728986] stack backtrace: [ 973.728986] CPU: 2 PID: 1806 Comm: accel-pppd Tainted: G O 4.8.0-rc2 #1 [ 973.728986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 973.728986] ffff7fffffffffff ffff88003436f850 ffffffff812a20f4 ffffffff82156e30 [ 973.728986] ffffffff82156920 ffff88003436f890 ffffffff8115c759 ffff88003344ae00 [ 973.728986] ffff88003344b5c0 0000000000000002 0000000000000006 ffff88003344b5e8 [ 973.728986] Call Trace: [ 973.728986] [<ffffffff812a20f4>] dump_stack+0x67/0x90 [ 973.728986] [<ffffffff8115c759>] print_circular_bug+0x22e/0x23c [ 973.728986] [<ffffffff810b28d6>] __lock_acquire+0x1118/0x1483 [ 973.728986] [<ffffffff810b3130>] lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff810b3130>] ? lock_acquire+0x150/0x217 [ 973.728986] [<ffffffff8146f6fe>] ? sch_direct_xmit+0x8d/0x221 [ 973.728986] [<ffffffff815752f4>] _raw_spin_lock+0x2d/0x3c [ 973.728986] [<ffffffff8146f6fe>] ? sch_direct_xmit+0x8d/0x221 [ 973.728986] [<ffffffff8146f6fe>] sch_direct_xmit+0x8d/0x221 [ 973.728986] [<ffffffff814401e4>] __dev_queue_xmit+0x62a/0x912 [ 973.728986] [<ffffffff814404d7>] dev_queue_xmit+0xb/0xd [ 973.728986] [<ffffffff81449978>] neigh_direct_output+0xc/0xe [ 973.728986] [<ffffffff81487811>] ip_finish_output2+0x5db/0x609 [ 973.728986] [<ffffffff81486853>] ? dst_mtu+0x29/0x2e [ 973.728986] [<ffffffff81489590>] ip_finish_output+0x152/0x15e [ 973.728986] [<ffffffff8148a0bc>] ? ip_output+0x74/0x96 [ 973.728986] [<ffffffff8148a0d4>] ip_output+0x8c/0x96 [ 973.728986] [<ffffffff81489652>] ip_local_out+0x41/0x4a [ 973.728986] [<ffffffff81489e7d>] ip_queue_xmit+0x5a5/0x609 [ 973.728986] [<ffffffff814c559e>] ? udp_set_csum+0x207/0x21e [ 973.728986] [<ffffffffa0202fe4>] l2tp_xmit_skb+0x582/0x5d7 [l2tp_core] [ 973.728986] [<ffffffffa01b2466>] pppol2tp_xmit+0x1f2/0x25e [l2tp_ppp] [ 973.728986] [<ffffffffa0184f59>] ppp_channel_push+0xb5/0x14a [ppp_generic] [ 973.728986] [<ffffffffa01853ed>] ppp_write+0x104/0x11c [ppp_generic] [ 973.728986] [<ffffffff811b2ec6>] __vfs_write+0x56/0x120 [ 973.728986] [<ffffffff8124c11d>] ? fsnotify_perm+0x27/0x95 [ 973.728986] [<ffffffff8124d41d>] ? security_file_permission+0x4d/0x54 [ 973.728986] [<ffffffff811b3f4c>] vfs_write+0xbd/0x11b [ 973.728986] [<ffffffff811b4cb2>] SyS_write+0x5e/0x96 [ 973.728986] [<ffffffff81575ba5>] entry_SYSCALL_64_fastpath+0x18/0xa8 [ 973.728986] [<ffffffff810ae0fa>] ? trace_hardirqs_off_caller+0x121/0x12f Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31ppp: avoid dealock on recursive xmitGuillaume Nault1-12/+40
In case of misconfiguration, a virtual PPP channel might send packets back to their parent PPP interface. This typically happens in misconfigured L2TP setups, where PPP's peer IP address is set with the IP of the L2TP peer. When that happens the system hangs due to PPP trying to recursively lock its xmit path. [ 243.332155] BUG: spinlock recursion on CPU#1, accel-pppd/926 [ 243.333272] lock: 0xffff880033d90f18, .magic: dead4ead, .owner: accel-pppd/926, .owner_cpu: 1 [ 243.334859] CPU: 1 PID: 926 Comm: accel-pppd Not tainted 4.8.0-rc2 #1 [ 243.336010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 243.336018] ffff7fffffffffff ffff8800319a77a0 ffffffff8128de85 ffff880033d90f18 [ 243.336018] ffff880033ad8000 ffff8800319a77d8 ffffffff810ad7c0 ffffffff0000039e [ 243.336018] ffff880033d90f18 ffff880033d90f60 ffff880033d90f18 ffff880033d90f28 [ 243.336018] Call Trace: [ 243.336018] [<ffffffff8128de85>] dump_stack+0x4f/0x65 [ 243.336018] [<ffffffff810ad7c0>] spin_dump+0xe1/0xeb [ 243.336018] [<ffffffff810ad7f0>] spin_bug+0x26/0x28 [ 243.336018] [<ffffffff810ad8b9>] do_raw_spin_lock+0x5c/0x160 [ 243.336018] [<ffffffff815522aa>] _raw_spin_lock_bh+0x35/0x3c [ 243.336018] [<ffffffffa01a88e2>] ? ppp_push+0xa7/0x82d [ppp_generic] [ 243.336018] [<ffffffffa01a88e2>] ppp_push+0xa7/0x82d [ppp_generic] [ 243.336018] [<ffffffff810adada>] ? do_raw_spin_unlock+0xc2/0xcc [ 243.336018] [<ffffffff81084962>] ? preempt_count_sub+0x13/0xc7 [ 243.336018] [<ffffffff81552438>] ? _raw_spin_unlock_irqrestore+0x34/0x49 [ 243.336018] [<ffffffffa01ac657>] ppp_xmit_process+0x48/0x877 [ppp_generic] [ 243.336018] [<ffffffff81084962>] ? preempt_count_sub+0x13/0xc7 [ 243.336018] [<ffffffff81408cd3>] ? skb_queue_tail+0x71/0x7c [ 243.336018] [<ffffffffa01ad1c5>] ppp_start_xmit+0x21b/0x22a [ppp_generic] [ 243.336018] [<ffffffff81426af1>] dev_hard_start_xmit+0x15e/0x32c [ 243.336018] [<ffffffff81454ed7>] sch_direct_xmit+0xd6/0x221 [ 243.336018] [<ffffffff814273a8>] __dev_queue_xmit+0x52a/0x820 [ 243.336018] [<ffffffff814276a9>] dev_queue_xmit+0xb/0xd [ 243.336018] [<ffffffff81430a3c>] neigh_direct_output+0xc/0xe [ 243.336018] [<ffffffff8146b5d7>] ip_finish_output2+0x4d2/0x548 [ 243.336018] [<ffffffff8146a8e6>] ? dst_mtu+0x29/0x2e [ 243.336018] [<ffffffff8146d49c>] ip_finish_output+0x152/0x15e [ 243.336018] [<ffffffff8146df84>] ? ip_output+0x74/0x96 [ 243.336018] [<ffffffff8146df9c>] ip_output+0x8c/0x96 [ 243.336018] [<ffffffff8146d55e>] ip_local_out+0x41/0x4a [ 243.336018] [<ffffffff8146dd15>] ip_queue_xmit+0x531/0x5c5 [ 243.336018] [<ffffffff814a82cd>] ? udp_set_csum+0x207/0x21e [ 243.336018] [<ffffffffa01f2f04>] l2tp_xmit_skb+0x582/0x5d7 [l2tp_core] [ 243.336018] [<ffffffffa01ea458>] pppol2tp_xmit+0x1eb/0x257 [l2tp_ppp] [ 243.336018] [<ffffffffa01acf17>] ppp_channel_push+0x91/0x102 [ppp_generic] [ 243.336018] [<ffffffffa01ad2d8>] ppp_write+0x104/0x11c [ppp_generic] [ 243.336018] [<ffffffff811a3c1e>] __vfs_write+0x56/0x120 [ 243.336018] [<ffffffff81239801>] ? fsnotify_perm+0x27/0x95 [ 243.336018] [<ffffffff8123ab01>] ? security_file_permission+0x4d/0x54 [ 243.336018] [<ffffffff811a4ca4>] vfs_write+0xbd/0x11b [ 243.336018] [<ffffffff811a5a0a>] SyS_write+0x5e/0x96 [ 243.336018] [<ffffffff81552a1b>] entry_SYSCALL_64_fastpath+0x13/0x94 The main entry points for sending packets over a PPP unit are the .write() and .ndo_start_xmit() callbacks (simplified view): .write(unit fd) or .ndo_start_xmit() \ CALL ppp_xmit_process() \ LOCK unit's xmit path (ppp->wlock) | CALL ppp_push() \ LOCK channel's xmit path (chan->downl) | CALL lower layer's .start_xmit() callback \ ... might recursively call .ndo_start_xmit() ... / RETURN from .start_xmit() | UNLOCK channel's xmit path / RETURN from ppp_push() | UNLOCK unit's xmit path / RETURN from ppp_xmit_process() Packets can also be directly sent on channels (e.g. LCP packets): .write(channel fd) or ppp_output_wakeup() \ CALL ppp_channel_push() \ LOCK channel's xmit path (chan->downl) | CALL lower layer's .start_xmit() callback \ ... might call .ndo_start_xmit() ... / RETURN from .start_xmit() | UNLOCK channel's xmit path / RETURN from ppp_channel_push() Key points about the lower layer's .start_xmit() callback: * It can be called directly by a channel fd .write() or by ppp_output_wakeup() or indirectly by a unit fd .write() or by .ndo_start_xmit(). * In any case, it's always called with chan->downl held. * It might route the packet back to its parent unit using .ndo_start_xmit() as entry point. This patch detects and breaks recursion in ppp_xmit_process(). This function is a good candidate for the task because it's called early enough after .ndo_start_xmit(), it's always part of the recursion loop and it's on the path of whatever entry point is used to send a packet on a PPP unit. Recursion detection is done using the per-cpu ppp_xmit_recursion variable. Since ppp_channel_push() too locks the channel's xmit path and calls the lower layer's .start_xmit() callback, we need to also increment ppp_xmit_recursion there. However there's no need to check for recursion, as it's out of the recursion loop. Reported-by: Feng Gao <gfree.wind@gmail.com> Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31xgbe: constify get_netdev_ops and get_ethtool_opsstephen hemminger3-6/+7
Casting away const is bad practice. Since this is ARM specific driver don't have hardware actually test this. Having getter functions for ops is really unnecessary code bloat, but not going to touch that. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31Merge branch 'dsa-mdb-support'David S. Miller4-42/+215
Vivien Didelot says: ==================== net: dsa: add MDB support This patchset adds the switchdev MDB object support to the DSA layer. The MDB support for the mv88e6xxx driver is very similar to the FDB support. The FDB operations care about unicast addresses while the MDB operations care about multicast addresses. Both operation set load/purge/dump the Address Translation Table (ATU), thus common code is used. Changes in v2 based on Andrew's comments: - drop "group" in multicast database related doc and comment - change _one for more relevant _fid in mv88e6xxx_port_db_dump_one - return -EOPNOTSUPP if switchdev obj ID is neither _FDB nor _MDB ==================== Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: dsa: mv88e6xxx: add MDB supportVivien Didelot1-0/+65
Add support for the MDB operations. This consists of loading/purging/dumping multicast addresses for a given port in the ATU. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: dsa: mv88e6xxx: make switchdev DB ops genericVivien Didelot1-43/+57
The MDB support for the mv88e6xxx driver will be very similar to the FDB support, since it consists of loading/purging/dumping address to/from the Address Translation Unit (ATU). Prepare the support for MDB by making the FDB code accessing the ATU generic. The FDB operations now provide access to the unicast addresses while the MDB operations will provide access to the multicast addresses. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: dsa: add MDB supportVivien Didelot3-0/+94
Add SWITCHDEV_OBJ_ID_PORT_MDB support to the DSA layer. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31Merge branch 'liquidio-CN23XX-part-1'David S. Miller25-611/+3022
Raghu Vatsavayi says: ==================== liquidio CN23XX support Following patchset adds support for new device "CN23XX" in liquidio family of adapters. As adviced by you I have split the previous V3 patch of 18 patches into two halves. This first patchset has first 10 patches, which are tested against net-next. I will post the second half after this one. This V4 patch also addressed all the comments from previous submission: 1) Avoid busy loop while reading registers. 2) Other minor comments about debug messages and constants. Please apply patches in following order as some of the patches depend on earlier patches. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX firmware downloadRaghu Vatsavayi3-46/+111
Add firmware download support for cn23xx device. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: MSIX support for CN23XXRaghu Vatsavayi6-69/+452
This patch adds support msix interrupt for cn23xx device. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX queue manipulationRaghu Vatsavayi5-8/+225
This patch adds support for cn23xx queue manipulation. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX register setupRaghu Vatsavayi4-8/+316
Adds support for initializing cn23xx device registers related to mac, input/output and pf global config. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX device init and sriov configRaghu Vatsavayi4-1/+544
Add support for cn23xx device init and sriov queue config. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX queue definitionsRaghu Vatsavayi6-33/+286
Add support for cn23xx specific queue definitions and features. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: CN23XX register definitionsRaghu Vatsavayi1-0/+604
This patch adds register definitions and structures for new device cn23xx. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: Common enable irq functionRaghu Vatsavayi8-14/+48
Add support of common irq enable functionality for both iq(instruction queue) and oq(output queue). Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: Firmware version managementRaghu Vatsavayi2-5/+27
This patch contains changes for firmware version management. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31liquidio: Consolidate common functionalityRaghu Vatsavayi15-444/+426
Consolidate common functionality of various devices from different files into lio_core.c/octeon_console.c. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: wan: sbni: Spelling s/acknoweledge/acknowledge/, GrammarGeert Uytterhoeven1-2/+2
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: systemport: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31dwc_eth_qos: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: hisilicon: constify ethtool_ops structuresJulia Lawall4-4/+4
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: bcmgenet: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-31net: ethernet: et131x: constify ethtool_ops structuresJulia Lawall1-1/+1
Check for ethtool_ops structures that are only stored in the ethtool_ops field of a net_device structure or passed as the second argument to netdev_set_default_ethtool_ops. These contexts are declared const, so ethtool_ops structures that have these properties can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct ethtool_ops i@p = { ... }; @ok1@ identifier r.i; struct net_device e; position p; @@ e.ethtool_ops = &i@p; @ok2@ identifier r.i; expression e; position p; @@ netdev_set_default_ethtool_ops(e, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct ethtool_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Mark Einon <mark.einon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-30qede: hide 32-bit compile warningArnd Bergmann1-1/+1
The addition of the per-queue statistics introduced a harmless warning on all 32-bit architectures: drivers/net/ethernet/qlogic/qede/qede_ethtool.c: In function 'qede_get_ethtool_stats': drivers/net/ethernet/qlogic/qede/qede_ethtool.c:244:31: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] buf[cnt++] = QEDE_TQSTATS_DATA(edev, ^ drivers/net/ethernet/qlogic/qede/qede_ethtool.c:244:22: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] buf[cnt++] = QEDE_TQSTATS_DATA(edev, ^ This changes the cast to 'void *' to shut up the warning, which avoids the assumptions on the size of the pointer type. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 68db9ec2df07 ("qede: Add support for per-queue stats.") Signed-off-by: David S. Miller <davem@davemloft.net>
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