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2011-02-01netfilter: arpt_mangle: fix return values of checkentryPablo Neira Ayuso1-3/+3
In 135367b "netfilter: xtables: change xt_target.checkentry return type", the type returned by checkentry was changed from boolean to int, but the return values where not adjusted. arptables: Input/output error This broke arptables with the mangle target since it returns true under success, which is interpreted by xtables as >0, thus returning EIO. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-02-01vhost: rcu annotation fixupMichael S. Tsirkin2-7/+8
When built with rcu checks enabled, vhost triggers bogus warnings as vhost features are read without dev->mutex sometimes, and private pointer is read with our kind of rcu where work serves as a read side critical section. Fixing it properly is not trivial. Disable the warnings by stubbing out the checks for now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-01-31enc28j60: Fix reading of transmit status vectorStefan Weil1-1/+1
This error was reported by cppcheck: drivers/net/enc28j60.c:815: error: Using sizeof for array given as function argument returns the size of pointer. The original code reads 4 or 8 bytes instead of TSV_SIZE (= 100) bytes. I just fixed the code, but did not run any tests. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31net: Fix ipv6 neighbour unregister_sysctl_table warningEric W. Biederman1-1/+8
In my testing of 2.6.37 I was occassionally getting a warning about sysctl table entries being unregistered in the wrong order. Digging in it turns out this dates back to the last great sysctl reorg done where Al Viro introduced the requirement that sysctl directories needed to be created before and destroyed after the files in them. It turns out that in that great reorg /proc/sys/net/ipv6/neigh was overlooked. So this patch fixes that oversight and makes an annoying warning message go away. >------------[ cut here ]------------ >WARNING: at kernel/sysctl.c:1992 unregister_sysctl_table+0x134/0x164() >Pid: 23951, comm: kworker/u:3 Not tainted 2.6.37-350888.2010AroraKernelBeta.fc14.x86_64 #1 >Call Trace: > [<ffffffff8103e034>] warn_slowpath_common+0x80/0x98 > [<ffffffff8103e061>] warn_slowpath_null+0x15/0x17 > [<ffffffff810452f8>] unregister_sysctl_table+0x134/0x164 > [<ffffffff810e7834>] ? kfree+0xc4/0xd1 > [<ffffffff813439b2>] neigh_sysctl_unregister+0x22/0x3a > [<ffffffffa02cd14e>] addrconf_ifdown+0x33f/0x37b [ipv6] > [<ffffffff81331ec2>] ? skb_dequeue+0x5f/0x6b > [<ffffffffa02ce4a5>] addrconf_notify+0x69b/0x75c [ipv6] > [<ffffffffa02eb953>] ? ip6mr_device_event+0x98/0xa9 [ipv6] > [<ffffffff813d2413>] notifier_call_chain+0x32/0x5e > [<ffffffff8105bdea>] raw_notifier_call_chain+0xf/0x11 > [<ffffffff8133cdac>] call_netdevice_notifiers+0x45/0x4a > [<ffffffff8133d2b0>] rollback_registered_many+0x118/0x201 > [<ffffffff8133d3af>] unregister_netdevice_many+0x16/0x6d > [<ffffffff8133d571>] default_device_exit_batch+0xa4/0xb8 > [<ffffffff81337c42>] ? cleanup_net+0x0/0x194 > [<ffffffff81337a2a>] ops_exit_list+0x4e/0x56 > [<ffffffff81337d36>] cleanup_net+0xf4/0x194 > [<ffffffff81053318>] process_one_work+0x187/0x280 > [<ffffffff8105441b>] worker_thread+0xff/0x19f > [<ffffffff8105431c>] ? worker_thread+0x0/0x19f > [<ffffffff8105776d>] kthread+0x7d/0x85 > [<ffffffff81003824>] kernel_thread_helper+0x4/0x10 > [<ffffffff810576f0>] ? kthread+0x0/0x85 > [<ffffffff81003820>] ? kernel_thread_helper+0x0/0x10 >---[ end trace 8a7e9310b35e9486 ]--- Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31axnet_cs: reduce delay time at ei_rx_overrunKen Kawasaki1-4/+2
axnet_cs: mdelay of 10ms is too long at ei_rx_overrun. It should be reduced to 2ms. Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31net: Check rps_flow_table when RPS map length is 1Tom Herbert1-1/+2
In get_rps_cpu, add check that the rps_flow_table for the device is NULL when trying to take fast path when RPS map length is one. Without this, RFS is effectively disabled if map length is one which is not correct. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31CAN: softing driver depends on IOMEMChuck Ebbert1-1/+1
Without this dependency the softing driver will be buildable on s390, where it fails. Signed-Off-By: Chuck Ebbert <cebbert@redhat.com> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31net: Add default_mtu() methods to blackhole dst_opsRoland Dreier2-0/+12
When an IPSEC SA is still being set up, __xfrm_lookup() will return -EREMOTE and so ip_route_output_flow() will return a blackhole route. This can happen in a sndmsg call, and after d33e455337ea ("net: Abstract default MTU metric calculation behind an accessor.") this leads to a crash in ip_append_data() because the blackhole dst_ops have no default_mtu() method and so dst_mtu() calls a NULL pointer. Fix this by adding default_mtu() methods (that simply return 0, matching the old behavior) to the blackhole dst_ops. The IPv4 part of this patch fixes a crash that I saw when using an IPSEC VPN; the IPv6 part is untested because I don't have an IPv6 VPN, but it looks to be needed as well. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-31wl12xx: fix use after freeMathias Krause1-2/+1
When DEBUG_SPI is included in the debug log level wl1271_spi_reset() will dump the already freed memory instead of the SPI buffer. This bug was spotted by the semantic patch tool coccinelle using the script found at scripts/coccinelle/free/kfree.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-30bnx2x: Update bnx2x version to 1.62.00-5Yaniv Rosner1-2/+2
Update bnx2x version to 1.62.00-5 Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30bnx2x: Fix potential link loss in multi-function modeYaniv Rosner1-7/+11
All functions on a port should be set to take the MDC/MDIO lock to avoid contention on the bus Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30bnx2x: Fix port swap for BCM8073Yaniv Rosner1-3/+6
Fix link on BCM57712 + BCM8073 when port swap is enabled. Common PHY reset was done on the wrong port. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30bnx2x: Fix LED blink rate on BCM84823Yaniv Rosner1-0/+12
Fix blink rate of activity LED of the BCM84823 on 10G link Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30bnx2x: Remove setting XAUI low-power for BCM8073Yaniv Rosner1-44/+0
A rare link issue with the BCM8073 PHY may occur due to setting XAUI low power mode, while the PHY microcode already does that. The fix is not to set set XAUI low power mode for this PHY. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30batman-adv: Make vis info stack traversal threadsafeSven Eckelmann1-3/+4
The batman-adv vis server has to a stack which stores all information about packets which should be send later. This stack is protected with a spinlock that is used to prevent concurrent write access to it. The send_vis_packets function has to take all elements from the stack and send them to other hosts over the primary interface. The send will be initiated without the lock which protects the stack. The implementation using list_for_each_entry_safe has the problem that it stores the next element as "safe ptr" to allow the deletion of the current element in the list. The list may be modified during the unlock/lock pair in the loop body which may make the safe pointer not pointing to correct next element. It is safer to remove and use the first element from the stack until no elements are available. This does not need reduntant information which would have to be validated each time the lock was removed. Reported-by: Russell Senior <russell@personaltelco.net> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-01-30batman-adv: Remove vis info element in free_infoSven Eckelmann1-0/+1
The free_info function will be called when no reference to the info object exists anymore. It must be ensured that the allocated memory gets freed and not only the elements which are managed by the info object. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-01-30batman-adv: Remove vis info on hashing errorsSven Eckelmann1-1/+1
A newly created vis info object must be removed when it couldn't be added to the hash. The old_info which has to be replaced was already removed and isn't related to the hash anymore. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-01-30net: Add compat ioctl support for the ipv4 multicast ioctl SIOCGETSGCNTEric W. Biederman5-0/+84
SIOCGETSGCNT is not a unique ioctl value as it it maps tio SIOCPROTOPRIVATE +1, which unfortunately means the existing infrastructure for compat networking ioctls is insufficient. A trivial compact ioctl implementation would conflict with: SIOCAX25ADDUID SIOCAIPXPRISLT SIOCGETSGCNT_IN6 SIOCGETSGCNT SIOCRSSCAUSE SIOCX25SSUBSCRIP SIOCX25SDTEFACILITIES To make this work I have updated the compat_ioctl decode path to mirror the the normal ioctl decode path. I have added an ipv4 inet_compat_ioctl function so that I can have ipv4 specific compat ioctls. I have added a compat_ioctl function into struct proto so I can break out ioctls by which kind of ip socket I am using. I have added a compat_raw_ioctl function because SIOCGETSGCNT only works on raw sockets. I have added a ipmr_compat_ioctl that mirrors the normal ipmr_ioctl. This was necessary because unfortunately the struct layout for the SIOCGETSGCNT has unsigned longs in it so changes between 32bit and 64bit kernels. This change was sufficient to run a 32bit ip multicast routing daemon on a 64bit kernel. Reported-by: Bill Fenner <fenner@aristanetworks.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30net: Fix ip link add netns oopsEric W. Biederman1-0/+3
Ed Swierk <eswierk@bigswitch.com> writes: > On 2.6.35.7 > ip link add link eth0 netns 9999 type macvlan > where 9999 is a nonexistent PID triggers an oops and causes all network functions to hang: > [10663.821898] BUG: unable to handle kernel NULL pointer dereference at 000000000000006d > [10663.821917] IP: [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.821933] PGD 1d3927067 PUD 22f5c5067 PMD 0 > [10663.821944] Oops: 0000 [#1] SMP > [10663.821953] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq > [10663.821959] CPU 3 > [10663.821963] Modules linked in: macvlan ip6table_filter ip6_tables rfcomm ipt_MASQUERADE binfmt_misc iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack sco ipt_REJECT bnep l2cap xt_tcpudp iptable_filter ip_tables x_tables bridge stp vboxnetadp vboxnetflt vboxdrv kvm_intel kvm parport_pc ppdev snd_hda_codec_intelhdmi snd_hda_codec_conexant arc4 iwlagn iwlcore mac80211 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi i915 snd_seq_midi_event snd_seq thinkpad_acpi drm_kms_helper btusb tpm_tis nvram uvcvideo snd_timer snd_seq_device bluetooth videodev v4l1_compat v4l2_compat_ioctl32 tpm drm tpm_bios snd cfg80211 psmouse serio_raw intel_ips soundcore snd_page_alloc intel_agp i2c_algo_bit video output netconsole configfs lp parport usbhid hid e1000e sdhci_pci ahci libahci sdhci led_class > [10663.822155] > [10663.822161] Pid: 6000, comm: ip Not tainted 2.6.35-23-generic #41-Ubuntu 2901CTO/2901CTO > [10663.822167] RIP: 0010:[<ffffffff8149c2fa>] [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.822177] RSP: 0018:ffff88014aebf7b8 EFLAGS: 00010286 > [10663.822182] RAX: 00000000fffffff4 RBX: ffff8801ad900800 RCX: 0000000000000000 > [10663.822187] RDX: ffff880000000000 RSI: 0000000000000000 RDI: ffff88014ad63000 > [10663.822191] RBP: ffff88014aebf808 R08: 0000000000000041 R09: 0000000000000041 > [10663.822196] R10: 0000000000000000 R11: dead000000200200 R12: ffff88014aebf818 > [10663.822201] R13: fffffffffffffffd R14: ffff88014aebf918 R15: ffff88014ad62000 > [10663.822207] FS: 00007f00c487f700(0000) GS:ffff880001f80000(0000) knlGS:0000000000000000 > [10663.822212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [10663.822216] CR2: 000000000000006d CR3: 0000000231f19000 CR4: 00000000000026e0 > [10663.822221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [10663.822226] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [10663.822231] Process ip (pid: 6000, threadinfo ffff88014aebe000, task ffff88014afb16e0) > [10663.822236] Stack: > [10663.822240] ffff88014aebf808 ffffffff814a2bb5 ffff88014aebf7e8 00000000a00ee8d6 > [10663.822251] <0> 0000000000000000 ffffffffa00ef940 ffff8801ad900800 ffff88014aebf818 > [10663.822265] <0> ffff88014aebf918 ffff8801ad900800 ffff88014aebf858 ffffffff8149c413 > [10663.822281] Call Trace: > [10663.822290] [<ffffffff814a2bb5>] ? dev_addr_init+0x75/0xb0 > [10663.822298] [<ffffffff8149c413>] dev_alloc_name+0x43/0x90 > [10663.822307] [<ffffffff814a85ee>] rtnl_create_link+0xbe/0x1b0 > [10663.822314] [<ffffffff814ab2aa>] rtnl_newlink+0x48a/0x570 > [10663.822321] [<ffffffff814aafcc>] ? rtnl_newlink+0x1ac/0x570 > [10663.822332] [<ffffffff81030064>] ? native_x2apic_icr_read+0x4/0x20 > [10663.822339] [<ffffffff814a8c17>] rtnetlink_rcv_msg+0x177/0x290 > [10663.822346] [<ffffffff814a8aa0>] ? rtnetlink_rcv_msg+0x0/0x290 > [10663.822354] [<ffffffff814c25d9>] netlink_rcv_skb+0xa9/0xd0 > [10663.822360] [<ffffffff814a8a85>] rtnetlink_rcv+0x25/0x40 > [10663.822367] [<ffffffff814c223e>] netlink_unicast+0x2de/0x2f0 > [10663.822374] [<ffffffff814c303e>] netlink_sendmsg+0x1fe/0x2e0 > [10663.822383] [<ffffffff81488533>] sock_sendmsg+0xf3/0x120 > [10663.822391] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822400] [<ffffffff81168656>] ? __d_lookup+0x136/0x150 > [10663.822406] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822414] [<ffffffff812b7a0d>] ? _atomic_dec_and_lock+0x4d/0x80 > [10663.822422] [<ffffffff8116ea90>] ? mntput_no_expire+0x30/0x110 > [10663.822429] [<ffffffff81486ff5>] ? move_addr_to_kernel+0x65/0x70 > [10663.822435] [<ffffffff81493308>] ? verify_iovec+0x88/0xe0 > [10663.822442] [<ffffffff81489020>] sys_sendmsg+0x240/0x3a0 > [10663.822450] [<ffffffff8111e2a9>] ? __do_fault+0x479/0x560 > [10663.822457] [<ffffffff815899fe>] ? _raw_spin_lock+0xe/0x20 > [10663.822465] [<ffffffff8116cf4a>] ? alloc_fd+0x10a/0x150 > [10663.822473] [<ffffffff8158d76e>] ? do_page_fault+0x15e/0x350 > [10663.822482] [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b > [10663.822487] Code: 90 48 8d 78 02 be 25 00 00 00 e8 92 1d e2 ff 48 85 c0 75 cf bf 20 00 00 00 e8 c3 b1 c6 ff 49 89 c7 b8 f4 ff ff ff 4d 85 ff 74 bd <4d> 8b 75 70 49 8d 45 70 48 89 45 b8 49 83 ee 58 eb 28 48 8d 55 > [10663.822618] RIP [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 > [10663.822627] RSP <ffff88014aebf7b8> > [10663.822631] CR2: 000000000000006d > [10663.822636] ---[ end trace 3dfd6c3ad5327ca7 ]--- This bug was introduced in: commit 81adee47dfb608df3ad0b91d230fb3cef75f0060 Author: Eric W. Biederman <ebiederm@aristanetworks.com> Date: Sun Nov 8 00:53:51 2009 -0800 net: Support specifying the network namespace upon device creation. There is no good reason to not support userspace specifying the network namespace during device creation, and it makes it easier to create a network device and pass it to a child network namespace with a well known name. We have to be careful to ensure that the target network namespace for the new device exists through the life of the call. To keep that logic clear I have factored out the network namespace grabbing logic into rtnl_link_get_net. In addtion we need to continue to pass the source network namespace to the rtnl_link_ops.newlink method so that we can find the base device source network namespace. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Where apparently I forgot to add error handling to the path where we create a new network device in a new network namespace, and pass in an invalid pid. Cc: stable@kernel.org Reported-by: Ed Swierk <eswierk@bigswitch.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30caif: bugfix - add caif headers for userspace usage.sjur.brandeland@stericsson.com2-0/+3
Add caif_socket.h and if_caif.h to the kernel header files exported for use by userspace. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-30slcan: fix referenced website in Kconfig help textOliver Hartkopp1-1/+1
Fix the referenced project website to www.mictronics.de in the Kconfig help text for the slcan driver. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-29gro: Reset dev pointer on reuseHerbert Xu1-0/+1
On older kernels the VLAN code may zero skb->dev before dropping it and causing it to be reused by GRO. Unfortunately we didn't reset skb->dev in that case which causes the next GRO user to get a bogus skb->dev pointer. This particular problem no longer happens with the current upstream kernel due to changes in VLAN processing. However, for correctness we should still reset the skb->dev pointer in the GRO reuse function in case a future user does the same thing. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-28ath9k: Fix power save usage count imbalance on deinitRajkumar Manoharan2-2/+2
While unloading the driver, the ps_usecount is incremented before configuring gpio registers in deinit_device. But it is failed to restore the ps_usecount after that. The problem is that the chip is forcibly moved to FULL SLEEP by radio_disable when mac80211 is reporting as idle though ps_usecount is not zero. This patch retores ps_usecount properly and ensures that the chip is always moved to full sleep only if ps usage count is zero which also helps in debugging deadbeef on multivif case. And also fixes the following warning. ath: DMA failed to stop in 10 ms AR_CR=0xdeadbeef AR_DIAG_SW=0xdeadbeef ath: Could not stop RX, we could be confusing the DMA engine when we start RX up ------------[ cut here ]------------ WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 ath_stoprecv+0xf4/0x100 [ath9k]() Cc: stable@kernel.org Cc: Paul Stewart <pstew@google.com> Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-28ath9k_hw: Fix system hang when resuming from S3/S4Rajkumar Manoharan1-2/+1
The bit 6 & 7 of AR_WA (0x4004) should be enabled only for the chips that are supporting L0s functionality while resuming back from S3/S4. Enabling these bits for AR9280 is causing system hang within a few S3/S4-resume cycles. Cc: stable@kernel.org Cc: Jack Lee <jlee@atheros.com> Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27ipv6: Remove route peer binding assertions.David S. Miller1-4/+0
They are bogus. The basic idea is that I wanted to make sure that prefixed routes never bind to peers. The test I used was whether RTF_CACHE was set. But first of all, the RTF_CACHE flag is set at different spots depending upon which ip6_rt_copy() caller you're talking about. I've validated all of the code paths, and even in the future where we bind peers more aggressively (for route metric COW'ing) we never bind to prefix'd routes, only fully specified ones. This even applies when addrconf or icmp6 routes are allocated. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27net: add kmemcheck annotation in __alloc_skb()Eric Dumazet1-0/+1
pskb_expand_head() triggers a kmemcheck warning when copy of skb_shared_info is done in pskb_expand_head() This is because destructor_arg field is not necessarily initialized at this point. Add kmemcheck_annotate_variable() call in __alloc_skb() to instruct kmemcheck this is a normal situation. Resolves bugzilla.kernel.org 27212 Reference: https://bugzilla.kernel.org/show_bug.cgi?id=27212 Reported-by: Christian Casteyde <casteyde.christian@free.fr> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27net: fix validate_link_af in rtnetlink coreKurt Van Dijck1-2/+1
I'm testing an API that uses IFLA_AF_SPEC attribute. In the rtnetlink core , the set_link_af() member of the rtnl_af_ops struct receives the nested attribute (as I expected), but the validate_link_af() member receives the parent attribute. IMO, this patch fixes this. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27dl2k: nulify fraginfo after unmapStanislaw Gruszka1-2/+2
Patch fixes: "DMA-API: device driver tries to free an invalid DMA memory address" warning reported here: https://bugzilla.redhat.com/show_bug.cgi?id=639824 Reported-by: Frantisek Hanzlik <franta@hanzlici.cz> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27xen: netfront: handle incoming GSO SKBs which are not CHECKSUM_PARTIALIan Campbell1-8/+88
The Linux network stack expects all GSO SKBs to have ip_summed == CHECKSUM_PARTIAL (which implies that the frame contains a partial checksum) and the Xen network ring protocol similarly expects an SKB which has GSO set to also have NETRX_csum_blank (which also implies a partial checksum). However there have been cases of buggy guests which mark a frame as GSO but do not set csum_blank. If we detect that we a receiving such a frame (which manifests as ip_summed != PARTIAL && skb_is_gso) then force the SKB to partial and recalculate the checksum, since we cannot rely on the peer having done so if they have not set csum_blank. Add an ethtool stat to track occurances of this event. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: David Miller <davem@davemloft.net> Cc: xen-devel@lists.xensource.com Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27econet: remove compiler warningsEric Dumazet1-2/+2
net/econet/af_econet.c: In function ‘econet_sendmsg’: net/econet/af_econet.c:494: warning: label ‘error’ defined but not used net/econet/af_econet.c:268: warning: unused variable ‘sk’ Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Phil Blundell <philb@gnu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-27MAINTAINERS: update information for the wl12xx driverLuciano Coelho1-3/+3
Update maintainer's email address, webpage and align with renaming of files. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27ath9k_htc: fix race conditions when stop deviceStanislaw Gruszka2-9/+15
We do not kill any scheduled tasklets when stopping device, that may cause usage of resources after free. Disable interrupts, kill tasklets and then works in correct order. Cc: stable@kernel.org Tested-by: Sujith <m.sujith@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27ath9k: fix race conditions when stop deviceStanislaw Gruszka2-5/+9
We do not kill any scheduled tasklets when stopping device, that may cause usage of resources after free. Moreover we enable interrupts in tasklet function, so we could potentially end with interrupts enabled when driver is not ready to receive them. I think patch should fix Ben's kernel crash from: http://marc.info/?l=linux-wireless&m=129438358921501&w=2 Cc: stable@kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27ath5k: correct endianness of frame durationBob Copeland1-3/+1
The ath5k version of ieee80211_generic_frame_duration() returns an __le16 for standard modes but a cpu-endian int for turbo/half/ quarter rates. Make it always return cpu-endian values. Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Bruno Randolf <br1@einfach.org> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27ath5k: fix error handling in ath5k_hw_dma_stopBob Copeland1-2/+2
Review spotted a problem with the error handling in ath5k_hw_dma_stop: a successful return from ath5k_hw_stop_tx_dma will be treated as an error, so we always bail out of the loop after processing a single active queue. As a result, we may not actually stop some queues during reset. Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Bruno Randolf <br1@einfach.org> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-27rtlwifi: Fix firmware upload errorsChaoming Li1-20/+20
When the source code from Realtek was prepared for kernel inclusion, some routines were refactored to reduce the level of indentation. This patch repairs errors introduced in that process. Signed-off-by: Chaoming Li <chaoming_li@realsil.com.cn> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-26bnx2: Eliminate AER error messages on systems not supporting itMichael Chan2-8/+10
On PPC for example, AER is not supported and we see unnecessary AER error message without this patch: bnx2 0003:01:00.1: pci_cleanup_aer_uncorrect_error_status failed 0xfffffffb Reported-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-26cnic: Fix big endian bugMichael Chan1-6/+6
The chip's page tables did not set up properly on big endian machines, causing EEH errors on PPC machines. Reported-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-26xfrm6: Don't forget to propagate peer into ipsec route.David S. Miller1-0/+6
Like ipv4, we have to propagate the ipv6 route peer into the ipsec top-level route during instantiation. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-26tg3: Use new VLAN codeMatt Carlson2-88/+10
This patch pivots the tg3 driver to the new VLAN infrastructure. All references to vlgrp have been removed. The driver still attempts to disable VLAN tag stripping if CONFIG_VLAN_8021Q or CONFIG_VLAN_8021Q_MODULE is not defined. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-25batman-adv: Fix kernel panic when fetching vis data on a vis serverLinus Lüssing1-2/+2
The hash_iterate removal introduced a bug leading to a kernel panic when fetching the vis data on a vis server. That commit forgot to rename one variable name, which this commit fixes now. Reported-by: Russell Senior <russell@personaltelco.net> Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-01-25bonding: update documentation - alternate configuration.Nicolas de Pesloüan1-12/+71
The bonding documentation used to provide configuration details and examples for initscripts and sysconfig only. This patch describe the third possible configuration: /etc/network/interfaces. Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-25TCP: fix a bug that triggers large number of TCP RST by mistakeJerry Chu1-1/+1
This patch fixes a bug that causes TCP RST packets to be generated on otherwise correctly behaved applications, e.g., no unread data on close,..., etc. To trigger the bug, at least two conditions must be met: 1. The FIN flag is set on the last data packet, i.e., it's not on a separate, FIN only packet. 2. The size of the last data chunk on the receive side matches exactly with the size of buffer posted by the receiver, and the receiver closes the socket without any further read attempt. This bug was first noticed on our netperf based testbed for our IW10 proposal to IETF where a large number of RST packets were observed. netperf's read side code meets the condition 2 above 100%. Before the fix, tcp_data_queue() will queue the last skb that meets condition 1 to sk_receive_queue even though it has fully copied out (skb_copy_datagram_iovec()) the data. Then if condition 2 is also met, tcp_recvmsg() often returns all the copied out data successfully without actually consuming the skb, due to a check "if ((chunk = len - tp->ucopy.len) != 0) {" and "len -= chunk;" after tcp_prequeue_process() that causes "len" to become 0 and an early exit from the big while loop. I don't see any reason not to free the skb whose data have been fully consumed in tcp_data_queue(), regardless of the FIN flag. We won't get there if MSG_PEEK is on. Am I missing some arcane cases related to urgent data? Signed-off-by: H.K. Jerry Chu <hkchu@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-25MAINTAINERS: remove Reinette Chatre as iwlwifi maintainerReinette Chatre1-1/+0
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-25rt2x00: add device id for windy31 usb deviceGreg Kroah-Hartman1-0/+1
This patch adds the device id for the windy31 USB device to the rt73usb driver. Thanks to Ralf Flaxa for reporting this and providing testing and a sample device. Reported-by: Ralf Flaxa <rf@suse.de> Tested-by: Ralf Flaxa <rf@suse.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-25mac80211: fix a crash in ieee80211_beacon_get_tim on change_interfaceFelix Fietkau1-0/+3
Some drivers (e.g. ath9k) do not always disable beacons when they're supposed to. When an interface is changed using the change_interface op, the mode specific sdata part is in an undefined state and trying to get a beacon at this point can produce weird crashes. To fix this, add a check for ieee80211_sdata_running before using anything from the sdata. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-25ipv6: Revert 'administrative down' address handling changes.David S. Miller1-48/+33
This reverts the following set of commits: d1ed113f1669390da9898da3beddcc058d938587 ("ipv6: remove duplicate neigh_ifdown") 29ba5fed1bbd09c2cba890798c8f9eaab251401d ("ipv6: don't flush routes when setting loopback down") 9d82ca98f71fd686ef2f3017c5e3e6a4871b6e46 ("ipv6: fix missing in6_ifa_put in addrconf") 2de795707294972f6c34bae9de713e502c431296 ("ipv6: addrconf: don't remove address state on ifdown if the address is being kept") 8595805aafc8b077e01804c9a3668e9aa3510e89 ("IPv6: only notify protocols if address is compeletely gone") 27bdb2abcc5edb3526e25407b74bf17d1872c329 ("IPv6: keep tentative addresses in hash table") 93fa159abe50d3c55c7f83622d3f5c09b6e06f4b ("IPv6: keep route for tentative address") 8f37ada5b5f6bfb4d251a7f510f249cb855b77b3 ("IPv6: fix race between cleanup and add/delete address") 84e8b803f1e16f3a2b8b80f80a63fa2f2f8a9be6 ("IPv6: addrconf notify when address is unavailable") dc2b99f71ef477a31020511876ab4403fb7c4420 ("IPv6: keep permanent addresses on admin down") because the core semantic change to ipv6 address handling on ifdown has broken some things, in particular "disable_ipv6" sysctl handling. Stephen has made several attempts to get things back in working order, but nothing has restored disable_ipv6 fully yet. Reported-by: Eric W. Biederman <ebiederm@xmission.com> Tested-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-24textsearch: doc - fix spelling in lib/textsearch.c.Jesper Dangaard Brouer1-5/+5
Found the following spelling errors while reading the textsearch code: "facitilies" -> "facilities" "continously" -> "continuously" "arbitary" -> "arbitrary" "patern" -> "pattern" "occurences" -> "occurrences" I'll try to push this patch through DaveM, given the only users of textsearch is in the net/ tree (nf_conntrack_amanda.c, xt_string.c and em_text.c) Signed-off-by: Jesper Sander <sander.contrib@gmail.com> Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-24USB NET KL5KUSB101: Fix mem leak in error path of kaweth_download_firmware()Jesper Juhl1-0/+1
We will leak the storage allocated by request_firmware() if the size of the firmware is greater than KAWETH_FIRMWARE_BUF_SIZE. This removes the leak by calling release_firmware() before we return -ENOSPC. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-24pch_gbe: don't use flush_scheduled_work()Tejun Heo1-1/+1
Directly cancel adapter->reset_task instead of using to-be-deprecated flush_scheduled_work(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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