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Introduce a configuration option: CONFIG_NET_DSA_LEGACY allowing to compile out
support for the old platform device and Device Tree binding registration.
Support for these configurations is scheduled to be removed in 4.17.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MDIO busses need to be unregistered before they are freed,
otherwise BUG() is called. Add a call to the unregister code if the
registration fails, since we can have multiple busses, of which some
may correctly register before one fails. This requires moving the code
around a little.
Fixes: a3c53be55c95 ("net: dsa: mv88e6xxx: Support multiple MDIO busses")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When removing the interrupt handling code, we should mask the
generation of interrupts. The code however unmasked all
interrupts. This can then cause a new interrupt. We then get into a
deadlock where the interrupt thread is waiting to run, and the code
continues, trying to remove the interrupt handler, which means waiting
for the thread to complete. On a UP machine this deadlocks.
Fix so we really mask interrupts in the hardware. The same error is
made in the error path when install the interrupt handling code.
Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free interrupt")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If clk_set_rate() fails, we should disable clk before return.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Branislav Radocaj <branislav@radocaj.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add appropriate calls to clk_disable_unprepare() by jumping to out_mdio
in case orion_mdio_probe() returns -EPROBE_DEFER.
Found by Linux Driver Verification project (linuxtesting.org).
Fixes: 3d604da1e954 ("net: mvmdio: get and enable optional clock")
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some dual port NICs, the 2 ports have to be configured with compatible
link speeds. Under some conditions, a port's configured speed may no
longer be supported. The firmware will send a message to the driver
when this happens.
Improve this logic that prints out the warning by only printing it if
we can determine the link speed that is no longer supported. If the
speed is unknown or it is in autoneg mode, skip the warning message.
Reported-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Tested-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function virtqueue_get_buf_ctx() could return NULL, the return
value 'buf' need to be checked with NULL, not value 'ctx'.
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The 10.4 firmware defines this as a 3-bit field, as does the
mac80211 stack. The 4th bit is defined as CONF_IMPLICIT_BF
at least in the firmware header I have seen. This patch
fixes the ath10k wmi header to match the firmware.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Replace ntohs with be16_to_cpu to do endian conversions for ethhdr
h_proto assignment.
Signed-off-by: Kenneth Lu <kuohsianglu@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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At the moment, spectral scan support, and with it RELAY, is always enabled
with ATH10K_DEBUGFS. Spectral scan support is currently the only user of
RELAY in ath10k, and it unconditionally reserves a relay channel.
Having debugfs support in ath10k is often useful even on very small
embedded routers, where we'd rather like to avoid the code size and RAM
usage of the relay support. While ath10k-based devices usually have more
resources than ath9k-based ones, it makes sense to keep the configuration
symmetric to ath9k, so the same base kernel without RELAY can be used for
both ath9k and ath10k hardware.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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At the moment, spectral scan support, and with it RELAY, is always enabled
with ATH9K[_HTC]_DEBUGFS. Spectral scan support is currently the only user
of RELAY in ath9k, and it unconditionally reserves a relay channel.
Having debugfs support in ath9k is often useful even on very small embedded
routers, where we'd rather like to avoid the code size and RAM usage of the
relay support.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The dump format uses 64-bit timestamps already, but calling
getnstimeofday() only returns a 32-bit number on 32-bit architectures,
so that will overflow in y2038.
This changes it to use ktime_get_real_ts64() instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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To get rid of W=1 warning: variable ‘ies_len’ set but not used.
Variable ies_len is being assigned but never read.
Signed-off-by: Kenneth Lu <kuohsianglu@gmail.com>
Reviewed-by: Steve deRosier <derosier@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Third batch of iwlwifi patches intended for 4.15.
* Tell mac80211 when the MAC has been stripped (9000 series);
* Tell mac80211 when the IVC has been stripped (9000 series);
* Add 2 new PCI IDs, one for 9000 and one for 22000;
* Fix a queue hang due during ROC.
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When I run make W=1 on gcc (Debian 7.2.0-16) 7.2.0 I got an error for
the first run, all next ones are okay.
CC [M] drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.o
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:2078: error: Cannot parse struct or union!
scripts/Makefile.build:310: recipe for target 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.o' failed
Seems like something happened with W=1 and wrong kernel doc format.
As a quick fix remove dubious /** in the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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MT76x2e is a 2x2 PCIe 802.11ac chipset by MediaTek. This driver has full
support for AP, station, ad-hoc, mesh and monitor mode.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This will be used by drivers for MT76x2e, MT7603e and MT7628
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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(1) Change virtual interface operation in cfg80211 process reset and
reinitilize private data structure.
(2) Scan result event processed in main process will dereference private
data structure concurrently, ocassionly crash the kernel.
The cornel case could be trigger by below steps:
(1) wpa_cli mlan0 scan
(2) ./hostapd mlan0.conf
Cfg80211 asynchronous scan procedure is not all the time operated
under rtnl lock, here we add the protect to serialize the cfg80211
scan and change_virtual interface operation.
Signed-off-by: Limin Zhu <liminzhu@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Firmware do not support change interface from micro-ap mode
to station mode, forbid this operation
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Trivial fix to spelling mistake in error message text. Also remove the
error message on an kzalloc failure as this is redundant.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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when enabling wowlan and entering suspend the last write to the firmware
allowing it to go into elp mode was not completing before suspend, leaving
the firmware running in full active mode consuming high power.
Use an immediate call instead of a work queue for this last access
allowing the firmware to go into power save during wowlan uspend.
Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Using getnstimeofday()/timespec_to_ns() causes an overflow on 32-bit
architectures in 2038, and may suffer from time jumps due to
settimeofday() or leap seconds.
I don't see a reason why this needs to be UTC, so either monotonic
or boot time would be better here. Assuming that the fw time keeps
running during suspend, boottime is better than monotonic, and
ktime_get_boot_ns() will also save the additional conversion to
nanoseconds.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Add non-DFS 5G upper channels (149-165) besides existed 4 lower channels
(36, 40, 44, 48).
Signed-off-by: Weixiao Zhang <waveletboy@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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cck_poweri cannot be greated than 15 as is derived from the bottom 4 bits
from riv->channels[channel - 1].hw_value & 0xf. Hence the check for it
being greater than 15 is redundant and can be removed.
Detected by CoverityScan, CID#744303 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Remove the duplicate checking of TX ring's available number, and remove
the variable to store available number that can be calculated by
read/write pointers.
Signed-off-by: Steven Ting <steventing@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Give correct fifo size to calculate fifo space. Fortunately, the values of
RTL_PCI_MAX_RX_COUNT and TX_DESC_NUM_92E are the same in old code, so it
still works.
Signed-off-by: Steven Ting <steventing@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Check remaining count of RX packets cost a lot of CPU time, so only update
when the counter decreases to zero. In old flow, the counter was updated
once a RX packet is received.
Signed-off-by: Steven Ting <steventing@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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With the RTL8822BE and later devices, the number of interrupt vectors
has grown from 2 to 4. At this point, saving and passing those vectors
in a struct makes more sense than using individual scaler variables.
In two of the drivers, code to process the second of the interrupt
registers was included, but commented out. This patch removes those
useless sections.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Trivial cleanup of nasty variable name
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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If you need debugging this low level, you're doing something wrong.
Remove these noisy debug statements so the code is more readable.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Unlikely to be a problem, but brcmf_sdiod_regrl() is
not symmetric with brcmf_sdiod_regrb() in initializing
the data value on stack. Fix that.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
[arend: reword the commit message a bit]
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This function is obfuscating how IO works on this chip. Remove it
and push its logic into brcmf_sdiod_reg_{read,write}().
Handling of -ENOMEDIUM is altered, but as that's pretty much broken anyway
we can ignore that.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Register access code is not the place for band-aid fixes like this.
If this is a genuine problem, it should be fixed further up in the driver
stack.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The value passed to brcmf_sdiod_addrprep() is *always* 4
remove this parameter and the unused code to handle it.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This function sets the address of the IO window used for
SDIO accesses onto the backplane of the chip.
It currently uses 3 separate masks despite the full mask being
defined in the code already. Remove the separate masks and clean up.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This large function is concealing a LOT of obscure logic about
how the hardware functions. Time to split it up.
This first patch splits the function into two pieces - read and write,
doing away with the rw flag in the process.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The 4 IO functions in this patch are incorrect as they use compiler types
to determine how many bytes to send to the hardware.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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All the other IO functions are the other way round in this
driver. Make this one match.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.
Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The recv flow of ipvlan l2 mode performs as same as l3 mode for
non-multicast packet, so use the existing func ipvlan_handle_mode_l3
instead of these duplicated statements in non-multicast case.
Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, whenever the NETIF_F_HW_TC feature changes, we silently
always allow it, but we actually do not disable the flows in HW
on disable. That breaks user's expectations. So just forbid
the feature disable in case there are any filters offloaded.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using a period after a newline causes bad output.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The statement no longer serves a purpose.
Commit fa35864e0bb7 ("tuntap: Fix for a race in accessing numqueues")
added the ACCESS_ONCE to avoid a race condition with skb_queue_len.
Commit 436accebb530 ("tuntap: remove unnecessary sk_receive_queue
length check during xmit") removed the affected skb_queue_len check.
Commit 96f84061620c ("tun: add eBPF based queue selection method")
split the function, reading the field a second time in the callee.
The temp variable is now only read once, so just remove it.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcfm_dev always points to the correct netdev and we already
hold a refcnt, so no need to use tcfm_ifindex to lookup again.
If we would support moving target netdev across netns, using
pointer would be better than ifindex.
This also fixes dumping obsolete ifindex, now after the
target device is gone we just dump 0 as ifindex.
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offload IP header checksum to NIC.
This fixes a previous patch which disabled checksum offloading
for both IPv4 and IPv6 packets. So L3 checksum offload was
getting disabled for IPv4 pkts. And HW is dropping these pkts
for some reason.
Without this patch, IPv4 TSO appears to be broken:
WIthout this patch I get ~16kbyte/s, with patch close to 2mbyte/s
when copying files via scp from test box to my home workstation.
Looking at tcpdump on sender it looks like hardware drops IPv4 TSO skbs.
This patch restores performance for me, ipv6 looks good too.
Fixes: fa6d7cb5d76c ("net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts")
Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Aleksey Makarov <aleksey.makarov@auriga.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Smatch warns that:
drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c:160 bnxt_tc_parse_actions()
error: uninitialized symbol 'rc'.
"rc" is either uninitialized or set to zero here so we can just remove
the check.
Fixes: 8c95f773b4a3 ("bnxt_en: add support for Flower based vxlan encap/decap offload")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the rx_fs_lock is no longer held across allocation, it's safe
to use GFP_KERNEL for allocating new entries.
This reverts commit 81da3bf6e3f88 ("net: macb: change GFP_KERNEL to
GFP_ATOMIC").
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Julia Cartwright <julia@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit ae8223de3df5 ("net: macb: Added support for RX filtering")
introduces a lock, rx_fs_lock which is intended to protect the list of
rx_flow items and synchronize access to the hardware rx filtering
registers.
However, the region protected by this lock is overscoped, unnecessarily
including things like slab allocation. Reduce this lock scope to only
include operations which must be performed atomically: list traversal,
addition, and removal, and hitting the macb filtering registers.
This fixes the use of kmalloc w/ GFP_KERNEL in atomic context.
Fixes: ae8223de3df5 ("net: macb: Added support for RX filtering")
Cc: Rafal Ozieblo <rafalo@cadence.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Julia Cartwright <julia@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The list_for_each_entry() macro already handles the case where the list
is empty (by not executing the loop body). It's not necessary to handle
this case specially, so stop doing so.
Cc: Rafal Ozieblo <rafalo@cadence.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Julia Cartwright <julia@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the rmnet device creation fails in the newlink either while
registering with the physical device or after subsequent
operations, the rmnet endpoint information is never freed.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli
Andrew Lunn
Branislav Radocaj
Tobias Jordan
Michael Chan
Yunjian Wang
Ben Greear
Kenneth Lu
Matthias Schiffer
Arnd Bergmann
Kalle Valo
Andy Shevchenko
Felix Fietkau
Limin Zhu
Xinming Hu
Colin Ian King
Reizer, Eyal
Weixiao Zhang
Ping-Ke Shih
Larry Finger
Ian Molton
Pravin Shedge
Gao Feng
Jiri Pirko
Joe Perches
Willem de Bruijn
Cong Wang
Florian Westphal
Dan Carpenter
Julia Cartwright
Subash Abhinov Kasiviswanathan