- 20 Mar, 2010 3 commits
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stephen hemminger authored
This adds RFC5082 checks for TTL on received ICMP packets. It adds some security against spoofed ICMP packets disrupting GTSM protected sessions. Signed-off-by:
Stephen Hemminger <shemminger@vyatta.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Herbert Xu authored
As the only path leading to ip6_dst_check makes an indirect call through dst->ops, dst cannot be NULL in ip6_dst_check. This patch removes this check in case it misleads people who come across this code. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Timo Teräs authored
Xfrm_dst keeps a reference to ipv4 rtable entries on each cached bundle. The only way to renew xfrm_dst when the underlying route has changed, is to implement dst_check for this. This is what ipv6 side does too. The problems started after 87c1e12b ("ipsec: Fix bogus bundle flowi") which fixed a bug causing xfrm_dst to not get reused, until that all lookups always generated new xfrm_dst with new route reference and path mtu worked. But after the fix, the old routes started to get reused even after they were expired causing pmtu to break (well it would occationally work if the rtable gc had run recently and marked the route obsolete causing dst_check to get called). Signed-off-by:
Timo Teras <timo.teras@iki.fi> Acked-by:
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- 19 Mar, 2010 10 commits
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Steve Glendinning authored
TX checksum offload does not work properly when transmitting UDP packets with 0, 1 or 2 bytes of data. This patch works around the problem by calculating checksums for these packets in the driver. Signed-off-by:
Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by:
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Mallikarjuna R Chilakala authored
Advanced Power Management is disabled for 82599 KX4 connections by clearing GRC.APME bit, causing it to not wake the system from an improper system shutdown. By default GRC.APME is enabled and software is not supposed to clear these settings during adapter probe. Signed-off-by:
Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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Mallikarjuna R Chilakala authored
Fix 82599 link issues during driver load and unload test using multi-speed 10G & 1G fiber modules. When connected back to back sometime 82599 multispeed fiber modules would link at 1G speed instead of 10G highest speed, due to a race condition in autotry process involving Tx laser flapping. Move autotry autoneg-37 tx laser flapping process from multispeed module init setup to driver unload. This will alert the link partner to restart its autotry process when it tries to establish the link with the link partner Signed-off-by:
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Eric Dumazet authored
When doing "ifenslave -d bond0 eth0", there is chance to get NULL dereference in netif_receive_skb(), because dev->master suddenly becomes NULL after we tested it. We should use ACCESS_ONCE() to avoid this (or rcu_dereference()) Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
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Guo-Fu Tseng authored
Advance driver version number after some bug fix. Signed-off-by:
Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by:
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Guo-Fu Tseng authored
Temporary stop the RX IRQ, and disable (sync) tasklet or napi. And restore it after finished the vlgrp pointer assignment. Signed-off-by:
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Guo-Fu Tseng authored
Fix memory leak while receiving 8021q tagged packet which is not registered by user. Signed-off-by:
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Abraham Arce authored
Kernel NULL pointer dereference when setting mode for IFF_MULTICAST. Tested on SDP OMAP4430 board. ks8851 spi1.0: message enable is 0 ks8851 spi1.0: revision 0, MAC f2:f4:2f:56:37:de, IRQ 194 Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT SMP last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.34-rc1-01039-g38d7ed1-dirty #3) PC is at ks8851_set_rx_mode+0x88/0x124 LR is at bitrev32+0x24/0x2c <snip> Backtrace: [<c01bfbd8>] ? (ks8851_set_rx_mode+0x0/0x124) [<c01d4164>] (__dev_set_rx_mode+0x0/0x90) [<c01dc460>] (dev_mc_add+0x0/0x78) [<c021f0bc>] (igmp_group_added+0x0/0x64) [<c021f174>] (ip_mc_inc_group+0x0/0x150) [<c021f3b8>] (ip_mc_up+0x0/0x64) [<c0219eb0>] (inetdev_event+0x0/0x3d4) [<c0066818>] (notifier_call_chain+0x0/0x78) [<c00668b8>] (__raw_notifier_call_chain+0x0/0x24) [<c00668dc>] (raw_notifier_call_chain+0x0/0x28) [<c01d7484>] (call_netdevice_notifiers+0x0/0x24) [<c01d7780>] (__dev_notify_flags+0x0/0x68) [<c01d77e8>] (dev_change_flags+0x0/0x4c) [<c001f0bc>] (ip_auto_config+0x0/0xf1c) [<c0028490>] (do_one_initcall+0x0/0x1bc) [<c00084dc>] (kernel_init+0x0/0x234) Code: e15130bc e1833012 e14130bc e5943000 (e5934000) ---[ end trace ed0fb00a94142792 ]--- Kernel panic - not syncing: Fatal exception in interrupt Signed-off-by:
Abraham Arce <x0066660@ti.com> Signed-off-by:
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Alexandra Kossovsky authored
From: Alexandra.Kossovsky@oktetlabs.ru Fixes kernel bugzilla #15541 Signed-off-by:
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- 17 Mar, 2010 1 commit
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Tilman Schmidt authored
Update the dummy LL interface to the LL interface change introduced by commit daab433c03c15fd642c71c94eb51bdd3f32602c8. This fixes the build failure occurring after that commit when enabling ISDN_DRV_GIGASET but neither ISDN_I4L nor ISDN_CAPI. Impact: bugfix Signed-off-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
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- 16 Mar, 2010 20 commits
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David S. Miller authored
Otherwise we get a warning from the call in br_forward(). Signed-off-by: -
YOSHIFUJI Hideaki / 吉藤英明 authored
Without CONFIG_BRIDGE_IGMP_SNOOPING, BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately initialized, so we can see garbage. A clear option to fix this is to set it even without that config, but we cannot optimize out the branch. Let's introduce a macro that returns value of mrouters_only and let it return 0 without CONFIG_BRIDGE_IGMP_SNOOPING. Signed-off-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
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Vitaliy Gusev authored
route: Fix caught BUG_ON during rt_secret_rebuild_oneshot() Call rt_secret_rebuild can cause BUG_ON(timer_pending(&net->ipv4.rt_secret_timer)) in add_timer as there is not any synchronization for call rt_secret_rebuild_oneshot() for the same net namespace. Also this issue affects to rt_secret_reschedule(). Thus use mod_timer enstead. Signed-off-by:
Vitaliy Gusev <vgusev@openvz.org> Acked-by:
Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
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YOSHIFUJI Hideaki / 吉藤英明 authored
Signed-off-by:
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YOSHIFUJI Hideaki / 吉藤英明 authored
Signed-off-by:
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Jiri Slaby authored
Stanse found that one error path in netpoll_setup dereferences npinfo even though it is NULL. Avoid that by adding new label and go to that instead. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Cc: Daniel Borkmann <danborkmann@googlemail.com> Cc: David S. Miller <davem@davemloft.net> Acked-by: chavey@google.com Acked-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Neil Horman authored
So in the forward porting of various tipc packages, I was constantly getting this lockdep warning everytime I used tipc-config to set a network address for the protocol: [ INFO: possible circular locking dependency detected ] 2.6.33 #1 tipc-config/1326 is trying to acquire lock: (ref_table_lock){+.-...}, at: [<ffffffffa0315148>] tipc_ref_discard+0x53/0xd4 [tipc] but task is already holding lock: (&(&entry->lock)->rlock#2){+.-...}, at: [<ffffffffa03150d5>] tipc_ref_lock+0x43/0x63 [tipc] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&(&entry->lock)->rlock#2){+.-...}: [<ffffffff8107b508>] __lock_acquire+0xb67/0xd0f [<ffffffff8107b78c>] lock_acquire+0xdc/0x102 [<ffffffff8145471e>] _raw_spin_lock_bh+0x3b/0x6e [<ffffffffa03152b1>] tipc_ref_acquire+0xe8/0x11b [tipc] [<ffffffffa031433f>] tipc_createport_raw+0x78/0x1b9 [tipc] [<ffffffffa031450b>] tipc_createport+0x8b/0x125 [tipc] [<ffffffffa030f221>] tipc_subscr_start+0xce/0x126 [tipc] [<ffffffffa0308fb2>] process_signal_queue+0x47/0x7d [tipc] [<ffffffff81053e0c>] tasklet_action+0x8c/0xf4 [<ffffffff81054bd8>] __do_softirq+0xf8/0x1cd [<ffffffff8100aadc>] call_softirq+0x1c/0x30 [<ffffffff810549f4>] _local_bh_enable_ip+0xb8/0xd7 [<ffffffff81054a21>] local_bh_enable_ip+0xe/0x10 [<ffffffff81454d31>] _raw_spin_unlock_bh+0x34/0x39 [<ffffffffa0308eb8>] spin_unlock_bh.clone.0+0x15/0x17 [tipc] [<ffffffffa0308f47>] tipc_k_signal+0x8d/0xb1 [tipc] [<ffffffffa0308dd9>] tipc_core_start+0x8a/0xad [tipc] [<ffffffffa01b1087>] 0xffffffffa01b1087 [<ffffffff8100207d>] do_one_initcall+0x72/0x18a [<ffffffff810872fb>] sys_init_module+0xd8/0x23a [<ffffffff81009b42>] system_call_fastpath+0x16/0x1b -> #0 (ref_table_lock){+.-...}: [<ffffffff8107b3b2>] __lock_acquire+0xa11/0xd0f [<ffffffff8107b78c>] lock_acquire+0xdc/0x102 [<ffffffff81454836>] _raw_write_lock_bh+0x3b/0x6e [<ffffffffa0315148>] tipc_ref_discard+0x53/0xd4 [tipc] [<ffffffffa03141ee>] tipc_deleteport+0x40/0x119 [tipc] [<ffffffffa0316e35>] release+0xeb/0x137 [tipc] [<ffffffff8139dbf4>] sock_release+0x1f/0x6f [<ffffffff8139dc6b>] sock_close+0x27/0x2b [<ffffffff811116f6>] __fput+0x12a/0x1df [<ffffffff811117c5>] fput+0x1a/0x1c [<ffffffff8110e49b>] filp_close+0x68/0x72 [<ffffffff8110e552>] sys_close+0xad/0xe7 [<ffffffff81009b42>] system_call_fastpath+0x16/0x1b Finally decided I should fix this. Its a straightforward inversion, tipc_ref_acquire takes two locks in this order: ref_table_lock entry->lock while tipc_deleteport takes them in this order: entry->lock (via tipc_port_lock()) ref_table_lock (via tipc_ref_discard()) when the same entry is referenced, we get the above warning. The fix is equally straightforward. Theres no real relation between the entry->lock and the ref_table_lock (they just are needed at the same time), so move the entry->lock aquisition in tipc_ref_acquire down, after we unlock ref_table_lock (this is safe since the ref_table_lock guards changes to the reference table, and we've already claimed a slot there. I've tested the below fix and confirmed that it clears up the lockdep issue Signed-off-by: -
James Chapman authored
This patch fixes UDP socket refcnt bugs in the pppol2tp driver. A bug can cause a kernel stack trace when a tunnel socket is closed. A way to reproduce the issue is to prepare the UDP socket for L2TP (by opening a tunnel pppol2tp socket) and then close it before any L2TP sessions are added to it. The sequence is Create UDP socket Create tunnel pppol2tp socket to prepare UDP socket for L2TP pppol2tp_connect: session_id=0, peer_session_id=0 L2TP SCCRP control frame received (tunnel_id==0) pppol2tp_recv_core: sock_hold() pppol2tp_recv_core: sock_put L2TP ZLB control frame received (tunnel_id=nnn) pppol2tp_recv_core: sock_hold() pppol2tp_recv_core: sock_put Close tunnel management socket pppol2tp_release: session_id=0, peer_session_id=0 Close UDP socket udp_lib_close: BUG The addition of sock_hold() in pppol2tp_connect() solves the problem. For data frames, two sock_put() calls were added to plug a refcnt leak per received data frame. The ref that is grabbed at the top of pppol2tp_recv_core() must always be released, but this wasn't done for accepted data frames or data frames discarded because of bad UDP checksums. This leak meant that any UDP socket that had passed L2TP data traffic (i.e. L2TP data frames, not just L2TP control frames) using pppol2tp would not be released by the kernel. WARNING: at include/net/sock.h:435 udp_lib_unhash+0x117/0x120() Pid: 1086, comm: openl2tpd Not tainted 2.6.33-rc1 #8 Call Trace: [<c119e9b7>] ? udp_lib_unhash+0x117/0x120 [<c101b871>] ? warn_slowpath_common+0x71/0xd0 [<c119e9b7>] ? udp_lib_unhash+0x117/0x120 [<c101b8e3>] ? warn_slowpath_null+0x13/0x20 [<c119e9b7>] ? udp_lib_unhash+0x117/0x120 [<c11598a7>] ? sk_common_release+0x17/0x90 [<c11a5e33>] ? inet_release+0x33/0x60 [<c11577b0>] ? sock_release+0x10/0x60 [<c115780f>] ? sock_close+0xf/0x30 [<c106e542>] ? __fput+0x52/0x150 [<c106b68e>] ? filp_close+0x3e/0x70 [<c101d2e2>] ? put_files_struct+0x62/0xb0 [<c101eaf7>] ? do_exit+0x5e7/0x650 [<c1081623>] ? mntput_no_expire+0x13/0x70 [<c106b68e>] ? filp_close+0x3e/0x70 [<c101eb8a>] ? do_group_exit+0x2a/0x70 [<c101ebe1>] ? sys_exit_group+0x11/0x20 [<c10029b0>] ? sysenter_do_call+0x12/0x26 Signed-off-by:
James Chapman <jchapman@katalix.com> Signed-off-by:
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Steve Glendinning authored
This patch ensures the PHY correctly completes its reset before setting register values. Signed-off-by:
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James Chapman authored
When transmitting L2TP frames, we derive the outgoing interface's UDP checksum hardware assist capabilities from the tunnel dst dev. This can sometimes be NULL, especially when routing protocols are used and routing changes occur. This patch just checks for NULL dst or dev pointers when checking for netdev hardware assist features. BUG: unable to handle kernel NULL pointer dereference at 0000000c IP: [<f89d074c>] pppol2tp_xmit+0x341/0x4da [pppol2tp] *pde = 00000000 Oops: 0000 [#1] SMP last sysfs file: /sys/class/net/lo/operstate Modules linked in: pppol2tp pppox ppp_generic slhc ipv6 dummy loop snd_hda_codec_atihdmi snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc evdev psmouse serio_raw processor button i2c_piix4 i2c_core ati_agp agpgart pcspkr ext3 jbd mbcache sd_mod ide_pci_generic atiixp ide_core ahci ata_generic floppy ehci_hcd ohci_hcd libata e1000e scsi_mod usbcore nls_base thermal fan thermal_sys [last unloaded: scsi_wait_scan] Pid: 0, comm: swapper Not tainted (2.6.32.8 #1) EIP: 0060:[<f89d074c>] EFLAGS: 00010297 CPU: 3 EIP is at pppol2tp_xmit+0x341/0x4da [pppol2tp] EAX: 00000000 EBX: f64d1680 ECX: 000005b9 EDX: 00000000 ESI: f6b91850 EDI: f64d16ac EBP: f6a0c4c0 ESP: f70a9cac DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process swapper (pid: 0, ti=f70a8000 task=f70a31c0 task.ti=f70a8000) Stack: 000005a9 000005b9 f734c400 f66652c0 f7352e00 f67dc800 00000000 f6b91800 <0> 000005a3 f70ef6c4 f67dcda9 000005a3 f89b192e 00000246 000005a3 f64d1680 <0> f63633e0 f6363320 f64d1680 f65a7320 f65a7364 f65856c0 f64d1680 f679f02f Call Trace: [<f89b192e>] ? ppp_push+0x459/0x50e [ppp_generic] [<f89b217f>] ? ppp_xmit_process+0x3b6/0x430 [ppp_generic] [<f89b2306>] ? ppp_start_xmit+0x10d/0x120 [ppp_generic] [<c11c15cb>] ? dev_hard_start_xmit+0x21f/0x2b2 [<c11d0947>] ? sch_direct_xmit+0x48/0x10e [<c11c19a0>] ? dev_queue_xmit+0x263/0x3a6 [<c11e2a9f>] ? ip_finish_output+0x1f7/0x221 [<c11df682>] ? ip_forward_finish+0x2e/0x30 [<c11de645>] ? ip_rcv_finish+0x295/0x2a9 [<c11c0b19>] ? netif_receive_skb+0x3e9/0x404 [<f814b791>] ? e1000_clean_rx_irq+0x253/0x2fc [e1000e] [<f814cb7a>] ? e1000_clean+0x63/0x1fc [e1000e] [<c1047eff>] ? sched_clock_local+0x15/0x11b [<c11c1095>] ? net_rx_action+0x96/0x195 [<c1035750>] ? __do_softirq+0xaa/0x151 [<c1035828>] ? do_softirq+0x31/0x3c [<c10358fe>] ? irq_exit+0x26/0x58 [<c1004b21>] ? do_IRQ+0x78/0x89 [<c1003729>] ? common_interrupt+0x29/0x30 [<c101ac28>] ? native_safe_halt+0x2/0x3 [<c1008c54>] ? default_idle+0x55/0x75 [<c1009045>] ? c1e_idle+0xd2/0xd5 [<c100233c>] ? cpu_idle+0x46/0x62 Code: 8d 45 08 f0 ff 45 08 89 6b 08 c7 43 68 7e fb 9c f8 8a 45 24 83 e0 0c 3c 04 75 09 80 63 64 f3 e9 b4 00 00 00 8b 43 18 8b 4c 24 04 <8b> 40 0c 8d 79 11 f6 40 44 0e 8a 43 64 75 51 6a 00 8b 4c 24 08 EIP: [<f89d074c>] pppol2tp_xmit+0x341/0x4da [pppol2tp] SS:ESP 0068:f70a9cac CR2: 000000000000000c Signed-off-by:
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Steve Glendinning authored
This patch adds a driver for SMSC's LAN7500 family of USB 2.0 to gigabit ethernet adapters. It's loosely based on the smsc95xx driver but the device registers for LAN7500 are completely different. Signed-off-by:
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Atsushi Nemoto authored
This patch fixes following warning introduced by commit 12bac0d9 ("proc: warn on non-existing proc entries"): WARNING: at /work/mips-linux/make/linux/fs/proc/generic.c:316 __xlate_proc_name+0xe0/0xe8() name 'RBHMA4X00/RTL8019' Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
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Jiri Slaby authored
Stanse found that one error path (when alloc_skb fails) in netdev_tx omits to unlock hw_priv->hwlock. Fix that. Signed-off-by:
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Tilman Schmidt authored
Correct a potential array overrun due to an off by one error in the range check on the CAPI CONNECT_REQ CIPValue parameter. Found and reported by Dan Carpenter using smatch. Impact: bugfix Signed-off-by:
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Adel Gadllah authored
Commit a239a8b4 introduced a noisy message, that fills up the log very fast. The error seems not to be fatal (the connection is stable and performance is ok), so make it IWL_DEBUG_TX rather than IWL_ERR. Signed-off-by:
Adel Gadllah <adel.gadllah@gmail.com> Cc: stable@kernel.org Acked-by:
Reinette Chatre <reinette.chatre@intel.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
When I initially stumbled upon sequence number problems with PAE frames in ath9k, I submitted a patch to remove all special cases for PAE frames and let them go through the normal transmit path. Out of concern about crypto incompatibility issues, this change was merged instead: commit 6c8afef5 Author: Sujith <Sujith.Manoharan@atheros.com> Date: Tue Feb 9 10:07:00 2010 +0530 ath9k: Fix sequence numbers for PAE frames After a lot of testing, I'm able to reliably trigger a driver crash on rekeying with current versions with this change in place. It seems that the driver does not support sending out regular MPDUs with the same TID while an A-MPDU session is active. This leads to duplicate entries in the TID Tx buffer, which hits the following BUG_ON in ath_tx_addto_baw(): index = ATH_BA_INDEX(tid->seq_start, bf->bf_seqno); cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1); BUG_ON(tid->tx_buf[cindex] != NULL); I believe until we actually have a reproducible case of an incompatibility with another AP using no PAE special cases, we should simply get rid of this mess. This patch completely fixes my crash issues in STA mode and makes it stay connected without throughput drops or connectivity issues even when the AP is configured to a very short group rekey interval. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by:
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Grazvydas Ignotas authored
In case debugfs does not init for some reason (or is disabled on older kernels) driver does not allocate stats.fw_stats structure, but tries to clear it later and trips on a NULL pointer: Unable to handle kernel NULL pointer dereference at virtual address 00000000 PC is at __memzero+0x24/0x80 Backtrace: [<bf0ddb88>] (wl1251_debugfs_reset+0x0/0x30 [wl1251]) [<bf0d6a2c>] (wl1251_op_stop+0x0/0x12c [wl1251]) [<bf0bc228>] (ieee80211_stop_device+0x0/0x74 [mac80211]) [<bf0b0d10>] (ieee80211_stop+0x0/0x4ac [mac80211]) [<c02deeac>] (dev_close+0x0/0xb4) [<c02deac0>] (dev_change_flags+0x0/0x184) [<c031f478>] (devinet_ioctl+0x0/0x704) [<c0320720>] (inet_ioctl+0x0/0x100) Add a NULL pointer check to fix this. Signed-off-by:
Grazvydas Ignotas <notasas@gmail.com> Acked-by:
Kalle Valo <kalle.valo@iki.fi> Cc: stable@kernel.org Signed-off-by:
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Michael Braun authored
From: Michael Braun <michael-dev@fami-braun.de> bridge: Fix br_forward crash in promiscuous mode It's a linux-next kernel from 2010-03-12 on an x86 system and it OOPs in the bridge module in br_pass_frame_up (called by br_handle_frame_finish) because brdev cannot be dereferenced (its set to a non-null value). Adding some BUG_ON statements revealed that BR_INPUT_SKB_CB(skb)->brdev == br-dev (as set in br_handle_frame_finish first) only holds until br_forward is called. The next call to br_pass_frame_up then fails. Digging deeper it seems that br_forward either frees the skb or passes it to NF_HOOK which will in turn take care of freeing the skb. The same is holds for br_pass_frame_ip. So it seems as if two independent skb allocations are required. As far as I can see, commit b33084be ("bridge: Avoid unnecessary clone on forward path") removed skb duplication and so likely causes this crash. This crash does not happen on 2.6.33. I've therefore modified br_forward the same way br_flood has been modified so that the skb is not freed if skb0 is going to be used and I can confirm that the attached patch resolves the issue for me. Signed-off-by:
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Herbert Xu authored
Since all callers of br_mdb_ip_get need to check whether the hash table is NULL, this patch moves the check into the function. This fixes the two callers (query/leave handler) that didn't check it. Reported-by:
Michael Braun <michael-dev@fami-braun.de> Signed-off-by:
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Lars Ellenberg authored
A few subdevice IDs seem to have been dropped when hfc_multi was included upstream, just compare the list at http://www.openvox.cn/viewvc/misdn/trunk/hfc_multi.c?revision=75&view=annotate#l175 with the IDs in drivers/isdn/hardware/mISDN/hfcmulti.c Added PCIe 2 Port card and LED settings (same as PCI) Do not use <linux/pci_ids.h> /KKe Signed-off-by:
Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by:
Karsten Keil <keil@b1-systems.de> Signed-off-by:
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- 15 Mar, 2010 6 commits
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David S. Miller authored
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Gerrit Renker authored
dccp: fix panic caused by failed initialisation This fixes a kernel panic reported thanks to Andre Noll: if DCCP is compiled into the kernel and any out of the initialisation steps in net/dccp/proto.c:dccp_init() fail, a subsequent attempt to create a SOCK_DCCP socket will panic, since inet{,6}_create() are not prevented from creating DCCP sockets. This patch fixes the problem by propagating a failure in dccp_init() to dccp_v{4,6}_init_net(), and from there to dccp_v{4,6}_init(), so that the DCCP protocol is not made available if its initialisation fails. Signed-off-by:Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by:
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Dan Carpenter authored
We can never reach the return statement. Signed-off-by:
Dan Carpenter <error27@gmail.com> Signed-off-by:
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Tilman Schmidt authored
Calling tty_buffer_request_room() before tty_insert_flip_string() is unnecessary, costs CPU and for big buffers can mess up the multi-page allocation avoidance. Signed-off-by:
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Tilman Schmidt authored
In RING handling, clear the table of received parameter strings in a loop like everywhere else, instead of by enumeration which had already gotten out of sync. Impact: minor bugfix Signed-off-by:
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Tilman Schmidt authored
Registering/unregistering the Gigaset CAPI driver when a device is connected/disconnected causes an Oops when disconnecting two Gigaset devices in a row, because the same capi_driver structure gets unregistered twice. Fix by making driver registration/unregistration a separate operation (empty in the ISDN4Linux case) called when the main module is loaded/unloaded. Impact: bugfix Signed-off-by:
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