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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2010-02-1025-132/+162
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits) drivers/net: Correct NULL test MAINTAINERS: networking drivers - Add git net-next tree net/sched: Fix module name in Kconfig cxgb3: fix GRO checksum check dst: call cond_resched() in dst_gc_task() netfilter: nf_conntrack: fix hash resizing with namespaces netfilter: xtables: compat out of scope fix netfilter: nf_conntrack: restrict runtime expect hashsize modifications netfilter: nf_conntrack: per netns nf_conntrack_cachep netfilter: nf_conntrack: fix memory corruption with multiple namespaces Bluetooth: Keep a copy of each HID device's report descriptor pktgen: Fix freezing problem igb: make certain to reassign legacy interrupt vectors after reset irda: add missing BKL in irnet_ppp ioctl irda: unbalanced lock_kernel in irnet_ppp ixgbe: Fix return of invalid txq ixgbe: Fix ixgbe_tx_map error path netxen: protect resource cleanup by rtnl lock netxen: fix tx timeout recovery for NX2031 chip Bluetooth: Enter active mode before establishing a SCO link. ...
| * Merge branch 'master' of ↵David S. Miller2010-02-085-28/+37
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6
| | * Bluetooth: Keep a copy of each HID device's report descriptorMichael Poole2010-02-052-26/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The report descriptor is read by user space (via the Service Discovery Protocol), so it is only available during the ioctl to connect. However, the HID probe function that needs the descriptor might not be called until a specific module is loaded. Keep a copy of the descriptor so it is available for later use. Signed-off-by: Michael Poole <mdpoole@troilus.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| | * Bluetooth: Enter active mode before establishing a SCO link.Nick Pelly2010-02-031-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When in sniff mode with a long interval time (1.28s) it can take 4+ seconds to establish a SCO link. Fix by requesting active mode before requesting SCO connection. This improves SCO setup time to ~500ms. Bluetooth headsets that use a long interval time, and exhibit the long SCO connection time include Motorola H790, HX1 and H17. They have a CSR 2.1 chipset. Verified this behavior and fix with host Bluetooth chipsets: BCM4329 and TI1271. 2009-10-13 14:17:46.183722 > HCI Event: Mode Change (0x14) plen 6 status 0x00 handle 1 mode 0x02 interval 2048 Mode: Sniff 2009-10-13 14:17:53.436285 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 handle 1 voice setting 0x0060 2009-10-13 14:17:53.445593 > HCI Event: Command Status (0x0f) plen 4 Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 2009-10-13 14:17:57.788855 > HCI Event: Synchronous Connect Complete 0x2c) plen 17 status 0x00 handle 257 bdaddr 00:1A:0E:F1:A4:7F type eSCO Air mode: CVSD Signed-off-by: Nick Pelly <npelly@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| | * Bluetooth: Do not call rfcomm_session_put() for RFCOMM UA on closed socketNick Pelly2010-02-031-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When processing a RFCOMM UA frame when the socket is closed and we were not the RFCOMM initiator would cause rfcomm_session_put() to be called twice during rfcomm_process_rx(). This would cause a kernel panic in rfcomm_session_close() then. This could be easily reproduced during disconnect with devices such as Motorola H270 that send RFCOMM UA followed quickly by L2CAP disconnect request. This trace for this looks like: 2009-09-21 17:22:37.788895 < ACL data: handle 1 flags 0x02 dlen 8 L2CAP(d): cid 0x0041 len 4 [psm 3] RFCOMM(s): DISC: cr 0 dlci 20 pf 1 ilen 0 fcs 0x7d 2009-09-21 17:22:37.906204 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 1 packets 1 2009-09-21 17:22:37.933090 > ACL data: handle 1 flags 0x02 dlen 8 L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): UA: cr 0 dlci 20 pf 1 ilen 0 fcs 0x57 2009-09-21 17:22:38.636764 < ACL data: handle 1 flags 0x02 dlen 8 L2CAP(d): cid 0x0041 len 4 [psm 3] RFCOMM(s): DISC: cr 0 dlci 0 pf 1 ilen 0 fcs 0x9c 2009-09-21 17:22:38.744125 > HCI Event: Number of Completed Packets (0x13) plen 5 handle 1 packets 1 2009-09-21 17:22:38.763687 > ACL data: handle 1 flags 0x02 dlen 8 L2CAP(d): cid 0x0040 len 4 [psm 3] RFCOMM(s): UA: cr 0 dlci 0 pf 1 ilen 0 fcs 0xb6 2009-09-21 17:22:38.783554 > ACL data: handle 1 flags 0x02 dlen 12 L2CAP(s): Disconn req: dcid 0x0040 scid 0x0041 Avoid calling rfcomm_session_put() twice by skipping this call in rfcomm_recv_ua() if the socket is closed. Signed-off-by: Nick Pelly <npelly@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| | * Bluetooth: Fix sleeping function in RFCOMM within invalid contextMarcel Holtmann2010-02-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the commit 9e726b17422bade75fba94e625cd35fd1353e682 the rfcomm_session_put() gets accidentially called from a timeout callback and results in this: BUG: sleeping function called from invalid context at net/core/sock.c:1897 in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper Pid: 0, comm: swapper Tainted: P 2.6.32 #31 Call Trace: <IRQ> [<ffffffff81036455>] __might_sleep+0xf8/0xfa [<ffffffff8138ef1d>] lock_sock_nested+0x29/0xc4 [<ffffffffa03921b3>] lock_sock+0xb/0xd [l2cap] [<ffffffffa03948e6>] l2cap_sock_shutdown+0x1c/0x76 [l2cap] [<ffffffff8106adea>] ? clockevents_program_event+0x75/0x7e [<ffffffff8106bea2>] ? tick_dev_program_event+0x37/0xa5 [<ffffffffa0394967>] l2cap_sock_release+0x27/0x67 [l2cap] [<ffffffff8138c971>] sock_release+0x1a/0x67 [<ffffffffa03d2492>] rfcomm_session_del+0x34/0x53 [rfcomm] [<ffffffffa03d24c5>] rfcomm_session_put+0x14/0x16 [rfcomm] [<ffffffffa03d28b4>] rfcomm_session_timeout+0xe/0x1a [rfcomm] [<ffffffff810554a8>] run_timer_softirq+0x1e2/0x29a [<ffffffffa03d28a6>] ? rfcomm_session_timeout+0x0/0x1a [rfcomm] [<ffffffff8104e0f6>] __do_softirq+0xfe/0x1c5 [<ffffffff8100e8ce>] ? timer_interrupt+0x1a/0x21 [<ffffffff8100cc4c>] call_softirq+0x1c/0x28 [<ffffffff8100e05b>] do_softirq+0x33/0x6b [<ffffffff8104daf6>] irq_exit+0x36/0x85 [<ffffffff8100d7a9>] do_IRQ+0xa6/0xbd [<ffffffff8100c493>] ret_from_intr+0x0/0xa <EOI> [<ffffffff812585b3>] ? acpi_idle_enter_bm+0x269/0x294 [<ffffffff812585a9>] ? acpi_idle_enter_bm+0x25f/0x294 [<ffffffff81373ddc>] ? cpuidle_idle_call+0x97/0x107 [<ffffffff8100aca0>] ? cpu_idle+0x53/0xaa [<ffffffff81429006>] ? rest_init+0x7a/0x7c [<ffffffff8177bc8c>] ? start_kernel+0x389/0x394 [<ffffffff8177b29c>] ? x86_64_start_reservations+0xac/0xb0 [<ffffffff8177b384>] ? x86_64_start_kernel+0xe4/0xeb To fix this, the rfcomm_session_put() needs to be moved out of rfcomm_session_timeout() into rfcomm_process_sessions(). In that context it is perfectly fine to sleep and disconnect the socket. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Tested-by: David John <davidjon@xenontk.org>
| | * Bluetooth: Fallback eSCO to SCO on error 0x1a (Unsupported Remote Feature)Nick Pelly2010-02-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | General Motors carkits that use LGE BT chipsets return this error code when an eSCO is attempted, despite advertising eSCO support. 2009-08-13 14:41:39.755518 < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17 handle 1 voice setting 0x0060 2009-08-13 14:41:39.757563 > HCI Event: Command Status (0x0f) plen 4 Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1 2009-08-13 14:41:39.789484 > HCI Event: Synchronous Connect Complete (0x2c) plen 17 status 0x1a handle 257 bdaddr 00:1E:B2:23:5E:B3 type eSCO Error: Unsupported Remote Feature / Unsupported LMP Feature Signed-off-by: Jaikumar Ganesh <jaikumar@google.com> Signed-off-by: Nick Pelly <npelly@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| * | net/sched: Fix module name in KconfigJan Luebbe2010-02-081-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | The action modules have been prefixed with 'act_', but the Kconfig description was not changed. Signed-off-by: Jan Luebbe <jluebbe@debian.org> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | dst: call cond_resched() in dst_gc_task()Eric Dumazet2010-02-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kernel bugzilla #15239 On some workloads, it is quite possible to get a huge dst list to process in dst_gc_task(), and trigger soft lockup detection. Fix is to call cond_resched(), as we run in process context. Reported-by: Pawel Staszewski <pstaszewski@itcare.pl> Tested-by: Pawel Staszewski <pstaszewski@itcare.pl> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netfilter: nf_conntrack: fix hash resizing with namespacesPatrick McHardy2010-02-088-47/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As noticed by Jon Masters <jonathan@jonmasters.org>, the conntrack hash size is global and not per namespace, but modifiable at runtime through /sys/module/nf_conntrack/hashsize. Changing the hash size will only resize the hash in the current namespace however, so other namespaces will use an invalid hash size. This can cause crashes when enlarging the hashsize, or false negative lookups when shrinking it. Move the hash size into the per-namespace data and only use the global hash size to initialize the per-namespace value when instanciating a new namespace. Additionally restrict hash resizing to init_net for now as other namespaces are not handled currently. Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netfilter: xtables: compat out of scope fixAlexey Dobriyan2010-02-083-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As per C99 6.2.4(2) when temporary table data goes out of scope, the behaviour is undefined: if (compat) { struct foo tmp; ... private = &tmp; } [dereference private] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net>
| * | netfilter: nf_conntrack: restrict runtime expect hashsize modificationsAlexey Dobriyan2010-02-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Expectation hashtable size was simply glued to a variable with no code to rehash expectations, so it was a bug to allow writing to it. Make "expect_hashsize" readonly. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net>
| * | netfilter: nf_conntrack: per netns nf_conntrack_cachepEric Dumazet2010-02-081-16/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nf_conntrack_cachep is currently shared by all netns instances, but because of SLAB_DESTROY_BY_RCU special semantics, this is wrong. If we use a shared slab cache, one object can instantly flight between one hash table (netns ONE) to another one (netns TWO), and concurrent reader (doing a lookup in netns ONE, 'finding' an object of netns TWO) can be fooled without notice, because no RCU grace period has to be observed between object freeing and its reuse. We dont have this problem with UDP/TCP slab caches because TCP/UDP hashtables are global to the machine (and each object has a pointer to its netns). If we use per netns conntrack hash tables, we also *must* use per netns conntrack slab caches, to guarantee an object can not escape from one namespace to another one. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> [Patrick: added unique slab name allocation] Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net>
| * | netfilter: nf_conntrack: fix memory corruption with multiple namespacesPatrick McHardy2010-02-081-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As discovered by Jon Masters <jonathan@jonmasters.org>, the "untracked" conntrack, which is located in the data section, might be accidentally freed when a new namespace is instantiated while the untracked conntrack is attached to a skb because the reference count it re-initialized. The best fix would be to use a seperate untracked conntrack per namespace since it includes a namespace pointer. Unfortunately this is not possible without larger changes since the namespace is not easily available everywhere we need it. For now move the untracked conntrack initialization to the init_net setup function to make sure the reference count is not re-initialized and handle cleanup in the init_net cleanup function to make sure namespaces can exit properly while the untracked conntrack is in use in other namespaces. Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | pktgen: Fix freezing problemRafael J. Wysocki2010-02-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing try_to_freeze() to one of the pktgen_thread_worker() code paths so that it doesn't block suspend/hibernation. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=15006 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-and-tested-by: Ciprian Dorin Craciun <ciprian.craciun@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | irda: add missing BKL in irnet_ppp ioctlThadeu Lima de Souza Cascardo2010-02-031-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | One ioctl has been forgotten when the BKL was push down into irnet_ppp ioctl function. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | irda: unbalanced lock_kernel in irnet_pppThadeu Lima de Souza Cascardo2010-02-031-1/+2
| | | | | | | | | | | | | | | | | | | | | Add the missing unlock_kernel in one ioctl operation. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | dccp: fix auto-loading of dccp(_probe)Gerrit Renker2010-02-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes commit (38ff3e6bb987ec583268da8eb22628293095d43b) ("dccp_probe: Fix module load dependencies between dccp and dccp_probe", from 15 Jan). It fixes the construction of the first argument of try_then_request_module(), where only valid return codes from the first argument should be returned. What we do now is assign the result of register_jprobe() to ret, without the side effect of the comparison. Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | dccp: fix bug in cache allocationGerrit Renker2010-02-032-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug introduced in commit de4ef86cfce60d2250111f34f8a084e769f23b16 ("dccp: fix dccp rmmod when kernel configured to use slub", 17 Jan): the vsnprintf used sizeof(slab_name_fmt), which became truncated to 4 bytes, since slab_name_fmt is now a 4-byte pointer and no longer a 32-character array. This lead to error messages such as FATAL: Error inserting dccp: No buffer space available >> kernel: [ 1456.341501] kmem_cache_create: duplicate cache cci generated due to the truncation after the 3rd character. Fixed for the moment by introducing a symbolic constant. Tested to fix the bug. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | netlink: fix for too early rmmodAlexey Dobriyan2010-02-031-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Netlink code does module autoload if protocol userspace is asking for is not ready. However, module can dissapear right after it was autoloaded. Example: modprobe/rmmod stress-testing and xfrm_user.ko providing NETLINK_XFRM. netlink_create() in such situation _will_ create userspace socket and _will_not_ pin module. Now if module was removed and we're going to call ->netlink_rcv into nothing: BUG: unable to handle kernel paging request at ffffffffa02f842a ^^^^^^^^^^^^^^^^ modules are loaded near these addresses here IP: [<ffffffffa02f842a>] 0xffffffffa02f842a PGD 161f067 PUD 1623063 PMD baa12067 PTE 0 Oops: 0010 [#1] PREEMPT SMP DEBUG_PAGEALLOC last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/uevent CPU 1 Pid: 11515, comm: ip Not tainted 2.6.33-rc5-netns-00594-gaaa5728-dirty #6 P5E/P5E RIP: 0010:[<ffffffffa02f842a>] [<ffffffffa02f842a>] 0xffffffffa02f842a RSP: 0018:ffff8800baa3db48 EFLAGS: 00010292 RAX: ffff8800baa3dfd8 RBX: ffff8800be353640 RCX: 0000000000000000 RDX: ffffffff81959380 RSI: ffff8800bab7f130 RDI: 0000000000000001 RBP: ffff8800baa3db58 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000011 R13: ffff8800be353640 R14: ffff8800bcdec240 R15: ffff8800bd488010 FS: 00007f93749656f0(0000) GS:ffff880002300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffffffffa02f842a CR3: 00000000ba82b000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process ip (pid: 11515, threadinfo ffff8800baa3c000, task ffff8800bab7eb30) Stack: ffffffff813637c0 ffff8800bd488000 ffff8800baa3dba8 ffffffff8136397d <0> 0000000000000000 ffffffff81344adc 7fffffffffffffff 0000000000000000 <0> ffff8800baa3ded8 ffff8800be353640 ffff8800bcdec240 0000000000000000 Call Trace: [<ffffffff813637c0>] ? netlink_unicast+0x100/0x2d0 [<ffffffff8136397d>] netlink_unicast+0x2bd/0x2d0 netlink_unicast_kernel: nlk->netlink_rcv(skb); [<ffffffff81344adc>] ? memcpy_fromiovec+0x6c/0x90 [<ffffffff81364263>] netlink_sendmsg+0x1d3/0x2d0 [<ffffffff8133975b>] sock_sendmsg+0xbb/0xf0 [<ffffffff8106cdeb>] ? __lock_acquire+0x27b/0xa60 [<ffffffff810a18c3>] ? might_fault+0x73/0xd0 [<ffffffff810a18c3>] ? might_fault+0x73/0xd0 [<ffffffff8106db22>] ? __lock_release+0x82/0x170 [<ffffffff810a190e>] ? might_fault+0xbe/0xd0 [<ffffffff810a18c3>] ? might_fault+0x73/0xd0 [<ffffffff81344c77>] ? verify_iovec+0x47/0xd0 [<ffffffff8133a509>] sys_sendmsg+0x1a9/0x360 [<ffffffff813c2be5>] ? _raw_spin_unlock_irqrestore+0x65/0x70 [<ffffffff8106aced>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff813c2bc2>] ? _raw_spin_unlock_irqrestore+0x42/0x70 [<ffffffff81197004>] ? __up_read+0x84/0xb0 [<ffffffff8106ac95>] ? trace_hardirqs_on_caller+0x145/0x190 [<ffffffff813c207f>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8100262b>] system_call_fastpath+0x16/0x1b Code: Bad RIP value. RIP [<ffffffffa02f842a>] 0xffffffffa02f842a RSP <ffff8800baa3db48> CR2: ffffffffa02f842a If module was quickly removed after autoloading, return -E. Return -EPROTONOSUPPORT if module was quickly removed after autoloading. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | af_key: fix netns ops ordering on module load/unloadAlexey Dobriyan2010-02-031-7/+8
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. After sock_register() returns, it's possible to create sockets, even if module still not initialized fully (blame generic module code for that!) 2. Consequently, pfkey_create() can be called with pfkey_net_id still not initialized which will BUG_ON in net_generic(): kernel BUG at include/net/netns/generic.h:43! 3. During netns shutdown, netns ops should be unregistered after key manager unregistered because key manager calls can be triggered from xfrm_user module: general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC pfkey_broadcast+0x111/0x210 [af_key] pfkey_send_notify+0x16a/0x300 [af_key] km_state_notify+0x41/0x70 xfrm_flush_sa+0x75/0x90 [xfrm_user] 4. Unregister netns ops after socket ops just in case and for symmetry. Reported by Luca Tettamanti. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 9p: fix p9_client_destroy unconditional calling v9fs_put_transEric Van Hensbergen2010-02-081-12/+19
| | | | | | | | | | | | | | | | restructure client create code to handle error cases better and only cleanup initialized portions of the stack. Signed-off-by: Venkateswararao Jujjuri <jvrao@us.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | 9p: Fix the kernel crash on a failed mountAneesh Kumar K.V2010-02-081-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch fix the crash repoted below [ 15.149907] BUG: unable to handle kernel NULL pointer dereference at 00000001 [ 15.150806] IP: [<c140b886>] p9_virtio_close+0x18/0x24 ..... .... [ 15.150806] Call Trace: [ 15.150806] [<c1408e78>] ? p9_client_destroy+0x3f/0x163 [ 15.150806] [<c1409342>] ? p9_client_create+0x25f/0x270 [ 15.150806] [<c1063b72>] ? trace_hardirqs_on+0xb/0xd [ 15.150806] [<c11ed4e8>] ? match_token+0x64/0x164 [ 15.150806] [<c1175e8d>] ? v9fs_session_init+0x2f1/0x3c8 [ 15.150806] [<c109cfc9>] ? kmem_cache_alloc+0x98/0xb8 [ 15.150806] [<c1063b72>] ? trace_hardirqs_on+0xb/0xd [ 15.150806] [<c1173dd1>] ? v9fs_get_sb+0x47/0x1e8 [ 15.150806] [<c1173dea>] ? v9fs_get_sb+0x60/0x1e8 [ 15.150806] [<c10a2e77>] ? vfs_kern_mount+0x81/0x11a [ 15.150806] [<c10a2f55>] ? do_kern_mount+0x33/0xbe [ 15.150806] [<c10b40b9>] ? do_mount+0x654/0x6b3 [ 15.150806] [<c1038949>] ? do_page_fault+0x0/0x284 [ 15.150806] [<c10b28ec>] ? copy_mount_options+0x73/0xd2 [ 15.150806] [<c10b4179>] ? sys_mount+0x61/0x94 [ 15.150806] [<c14284e9>] ? syscall_call+0x7/0xb .... [ 15.203562] ---[ end trace 1dd159357709eb4b ]--- [ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | 9p: fix option parsingEric Van Hensbergen2010-02-083-12/+16
| | | | | | | | | | | | | | | | | | | | Options pointer is being moved before calling kfree() which seems to cause problems. This uses a separate pointer to track and free original allocation. Signed-off-by: Venkateswararao Jujjuri <jvrao@us.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>w
* | net/9p: fix statsize inside twstatEric Van Hensbergen2010-02-081-2/+3
| | | | | | | | | | | | | | | | stat structures contain a size prefix. In our twstat messages we were including the size of the size prefix in the prefix, which is not what the protocol wants, and Inferno servers would complain. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | net/9p: fail when user specifies a transport which we can't findEric Van Hensbergen2010-02-081-0/+8
| | | | | | | | | | | | | | | | If the user specifies a transport and we can't find it, we failed back to the default trainsport silently. This patch will make the code complain more loudly and return an error code. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* | net/9p: fix virtio transport to correctly update status on connectEric Van Hensbergen2010-02-081-0/+1
|/ | | | | | | The 9p virtio transport was not updating its connection status correctly preventing it from being able to mount the server. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* Merge branch 'master' of ↵David S. Miller2010-02-022-2/+3
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
| * netfilter: ctnetlink: fix expectation mask dumpPatrick McHardy2010-01-261-1/+2
| | | | | | | | | | | | | | The protocol number is not initialized, so userspace can't interpret the layer 4 data properly. Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: nf_conntrack_sip: fix off-by-one in compact header parsingPatrick McHardy2010-01-191-1/+1
| | | | | | | | | | | | | | | | | | In a string like "v:SIP/2.0..." it was checking for !isalpha('S') when it meant to be inspecting the ':'. Patch by Greg Alexander <greqcs@galexander.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | Bluetooth: Use the control channel for raw HID reportsBastien Nocera2010-01-301-34/+36
| | | | | | | | | | | | | | | | | | | | | | | | In commit 2da31939a42f7a676a0bc5155d6a0a39ed8451f2, support for Bluetooth hid_output_raw_report was added, but it pushes the data to the interrupt channel instead of the contol one. This patch makes hid_output_raw_report use the control channel instead. Using the interrupt channel was a mistake. Signed-off-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | Bluetooth: Fix memory leak in L2CAPAndrei Emeltchenko2010-01-301-1/+2
| | | | | | | | | | | | | | | | | | Move skb_clone after error confition check so it is not going potentially out of the scope. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Acked-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | Bluetooth: Remove double free of SKB pointer in L2CAPAndrei Emeltchenko2010-01-301-7/+4
| | | | | | | | | | | | | | | | | | Trivial fix for double free of SKB pointer with kfree_skb to make code simplier and cleaner. Remove unused variable err. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Acked-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | Merge branch 'master' of ↵David S. Miller2010-01-281-1/+1
|\ \ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * | mac80211: fix NULL pointer dereference when ftrace is enabledZhu Yi2010-01-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I got below kernel oops when I try to bring down the network interface if ftrace is enabled. The root cause is drv_ampdu_action() is passed with a NULL ssn pointer in the BA session tear down case. We need to check and avoid dereferencing it in trace entry assignment. BUG: unable to handle kernel NULL pointer dereference Modules linked in: at (null) IP: [<f98fe02a>] ftrace_raw_event_drv_ampdu_action+0x10a/0x160 [mac80211] *pde = 00000000 Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [...] Call Trace: [<f98fdf20>] ? ftrace_raw_event_drv_ampdu_action+0x0/0x160 [mac80211] [<f98dac4c>] ? __ieee80211_stop_rx_ba_session+0xfc/0x220 [mac80211] [<f98d97fb>] ? ieee80211_sta_tear_down_BA_sessions+0x3b/0x50 [mac80211] [<f98dc6f6>] ? ieee80211_set_disassoc+0xe6/0x230 [mac80211] [<f98dc6ac>] ? ieee80211_set_disassoc+0x9c/0x230 [mac80211] [<f98dcbb8>] ? ieee80211_mgd_deauth+0x158/0x170 [mac80211] [<f98e4bdb>] ? ieee80211_deauth+0x1b/0x20 [mac80211] [<f8987f49>] ? __cfg80211_mlme_deauth+0xe9/0x120 [cfg80211] [<f898b870>] ? __cfg80211_disconnect+0x170/0x1d0 [cfg80211] Cc: Johannes Berg <johannes@sipsolutions.net> Cc: stable@kernel.org Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | ipv6: conntrack: Add member of user to nf_ct_frag6_queue structureShan Wei2010-01-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit 0b5ccb2(title:ipv6: reassembly: use seperate reassembly queues for conntrack and local delivery) has broken the saddr&&daddr member of nf_ct_frag6_queue when creating new queue. And then hash value generated by nf_hashfn() was not equal with that generated by fq_find(). So, a new received fragment can't be inserted to right queue. The patch fixes the bug with adding member of user to nf_ct_frag6_queue structure. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | tcp_probe: avoid modulus operation and wrap fixStephen Hemminger2010-01-251-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | By rounding up the buffer size to power of 2, several expensive modulus operations can be avoided. This patch also solves a bug where the gap need when ring gets full was not being accounted for. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | netns xfrm: deal with dst entries in netnsAlexey Dobriyan2010-01-243-20/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GC is non-existent in netns, so after you hit GC threshold, no new dst entries will be created until someone triggers cleanup in init_net. Make xfrm4_dst_ops and xfrm6_dst_ops per-netns. This is not done in a generic way, because it woule waste (AF_MAX - 2) * sizeof(struct dst_ops) bytes per-netns. Reorder GC threshold initialization so it'd be done before registering XFRM policies. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: fix vlan_skb_recv()Eric Dumazet2010-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bruno Prémont found commit 9793241fe92f7d930 (vlan: Precise RX stats accounting) added a regression for non hw accelerated vlans. [ 26.390576] BUG: unable to handle kernel NULL pointer dereference at (null) [ 26.396369] IP: [<df856b89>] vlan_skb_recv+0x89/0x280 [8021q] vlan_dev_info() was used with original device, instead of skb->dev. Also spotted by Américo Wang. Reported-By: Bruno Prémont <bonbons@linux-vserver.org> Tested-By: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | netns xfrm: fix "ip xfrm state|policy count" misreportAlexey Dobriyan2010-01-233-17/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | "ip xfrm state|policy count" report SA/SP count from init_net, not from netns of caller process. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller2010-01-2226-294/+344
|\ \ \
| * \ \ Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2010-01-1411-46/+161
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits) net: fix build erros with CONFIG_BUG=n, CONFIG_GENERIC_BUG=n ipv6: skb_dst() can be NULL in ipv6_hop_jumbo(). tg3: Update copyright and driver version tg3: Disable 5717 serdes and B0 support tg3: Add reliable serdes detection for 5717 A0 tg3: Fix std rx prod ring handling tg3: Fix std prod ring nicaddr for 5787 and 57765 sfc: Fix conditions for MDIO self-test sfc: Fix polling for slow MCDI operations e1000e: workaround link issues on busy hub in half duplex on 82577/82578 e1000e: MDIO slow mode should always be done for 82577 ixgbe: update copyright dates ixgbe: Do not attempt to perform interrupts in netpoll when down cfg80211: fix refcount imbalance when wext is disabled mac80211: fix queue selection for data frames on monitor interfaces iwlwifi: silence buffer overflow warning iwlwifi: disable tx on beacon update notification iwlwifi: fix iwl_queue_used bug when read_ptr == write_ptr mac80211: fix endian error mac80211: add missing sanity checks for action frames ...
| * \ \ \ Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2010-01-1211-36/+53
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (56 commits) sky2: Fix oops in sky2_xmit_frame() after TX timeout Documentation/3c509: document ethtool support af_packet: Don't use skb after dev_queue_xmit() vxge: use pci_dma_mapping_error to test return value netfilter: ebtables: enforce CAP_NET_ADMIN e1000e: fix and commonize code for setting the receive address registers e1000e: e1000e_enable_tx_pkt_filtering() returns wrong value e1000e: perform 10/100 adaptive IFS only on parts that support it e1000e: don't accumulate PHY statistics on PHY read failure e1000e: call pci_save_state() after pci_restore_state() netxen: update version to 4.0.72 netxen: fix set mac addr netxen: fix smatch warning netxen: fix tx ring memory leak tcp: update the netstamp_needed counter when cloning sockets TI DaVinci EMAC: Handle emac module clock correctly. dmfe/tulip: Let dmfe handle DM910x except for SPARC on-board chips ixgbe: Fix compiler warning about variable being used uninitialized netfilter: nf_ct_ftp: fix out of bounds read in update_nl_seq() mv643xx_eth: don't include cache padding in rx desc buffer size ... Fix trivial conflict in drivers/scsi/cxgb3i/cxgb3i_offload.c
| * \ \ \ \ Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds2010-01-083-3/+20
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: nfs: fix oops in nfs_rename() sunrpc: fix build-time warning sunrpc: on successful gss error pipe write, don't return error SUNRPC: Fix the return value in gss_import_sec_context() SUNRPC: Fix up an error return value in gss_import_sec_context_kerberos()
| | * | | | | sunrpc: fix build-time warningRandy Dunlap2010-01-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix auth_gss printk format warning: net/sunrpc/auth_gss/auth_gss.c:660: warning: format '%ld' expects type 'long int', but argument 3 has type 'ssize_t' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * | | | | sunrpc: on successful gss error pipe write, don't return errorJeff Layton2009-12-181-1/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When handling the gssd downcall, the kernel should distinguish between a successful downcall that contains an error code and a failed downcall (i.e. where the parsing failed or some other sort of problem occurred). In the former case, gss_pipe_downcall should be returning the number of bytes written to the pipe instead of an error. In the event of other errors, we generally want the initiating task to retry the upcall so we set msg.errno to -EAGAIN. An unexpected error code here is a bug however, so BUG() in that case. Signed-off-by: Jeff Layton <jlayton@redhat.com> Cc: stable@kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * | | | | SUNRPC: Fix the return value in gss_import_sec_context()Trond Myklebust2009-12-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the context allocation fails, it will return GSS_S_FAILURE, which is neither a valid error code, nor is it even negative. Return ENOMEM instead... Reported-by: Jeff Layton <jlayton@redhat.com> Cc: stable@kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * | | | | SUNRPC: Fix up an error return value in gss_import_sec_context_kerberos()Trond Myklebust2009-12-181-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the context allocation fails, the function currently returns a random error code, since the variable 'p' still points to a valid memory location. Ensure that it returns ENOMEM... Cc: stable@kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | | | | Merge branch 'for-2.6.33' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2010-01-061-1/+2
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.33' of git://linux-nfs.org/~bfields/linux: sunrpc: fix peername failed on closed listener nfsd: make sure data is on disk before calling ->fsync nfsd: fix "insecure" export option
| | * | | | | | sunrpc: fix peername failed on closed listenerXiaotian Feng2010-01-061-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There're some warnings of "nfsd: peername failed (err 107)!" socket error -107 means Transport endpoint is not connected. This warning message was outputed by svc_tcp_accept() [net/sunrpc/svcsock.c], when kernel_getpeername returns -107. This means socket might be CLOSED. And svc_tcp_accept was called by svc_recv() [net/sunrpc/svc_xprt.c] if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { <snip> newxpt = xprt->xpt_ops->xpo_accept(xprt); <snip> So this might happen when xprt->xpt_flags has both XPT_LISTENER and XPT_CLOSE. Let's take a look at commit b0401d72, this commit has moved the close processing after do recvfrom method, but this commit also introduces this warnings, if the xpt_flags has both XPT_LISTENER and XPT_CLOSED, we should close it, not accpet then close. Signed-off-by: Xiaotian Feng <dfeng@redhat.com> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: David S. Miller <davem@davemloft.net> Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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