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2009-09-22mm: replace various uses of num_physpages by totalram_pagesJan Beulich
Sizing of memory allocations shouldn't depend on the number of physical pages found in a system, as that generally includes (perhaps a huge amount of) non-RAM pages. The amount of what actually is usable as storage should instead be used as a basis here. Some of the calculations (i.e. those not intending to use high memory) should likely even use (totalram_pages - totalhigh_pages). Signed-off-by: Jan Beulich <jbeulich@novell.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Dave Airlie <airlied@linux.ie> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22const: mark remaining super_operations constAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits) be2net: fix some cmds to use mccq instead of mbox atl1e: fix 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA pkt_sched: Fix qstats.qlen updating in dump_stats ipv6: Log the affected address when DAD failure occurs wl12xx: Fix print_mac() conversion. af_iucv: fix race when queueing skbs on the backlog queue af_iucv: do not call iucv_sock_kill() twice af_iucv: handle non-accepted sockets after resuming from suspend af_iucv: fix race in __iucv_sock_wait() iucv: use correct output register in iucv_query_maxconn() iucv: fix iucv_buffer_cpumask check when calling IUCV functions iucv: suspend/resume error msg for left over pathes wl12xx: switch to %pM to print the mac address b44: the poll handler b44_poll must not enable IRQ unconditionally ipv6: Ignore route option with ROUTER_PREF_INVALID bonding: make ab_arp select active slaves as other modes cfg80211: fix SME connect rc80211_minstrel: fix contention window calculation ssb/sdio: fix printk format warnings p54usb: add Zcomax XG-705A usbid ...
2009-09-17pkt_sched: Fix qstats.qlen updating in dump_statsJarek Poplawski
Some classful qdiscs miss qstats.qlen updating with q.qlen of their child qdiscs in dump_stats methods. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-17ipv6: Log the affected address when DAD failure occursJens Rosenboom
If an interface has multiple addresses, the current message for DAD failure isn't really helpful, so this patch adds the address itself to the printk. Signed-off-by: Jens Rosenboom <me@jayr.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16af_iucv: fix race when queueing skbs on the backlog queueHendrik Brueckner
iucv_sock_recvmsg() and iucv_process_message()/iucv_fragment_skb race for dequeuing an skb from the backlog queue. If iucv_sock_recvmsg() dequeues first, iucv_process_message() calls sock_queue_rcv_skb() with an skb that is NULL. This results in the following kernel panic: <1>Unable to handle kernel pointer dereference at virtual kernel address (null) <4>Oops: 0004 [#1] PREEMPT SMP DEBUG_PAGEALLOC <4>Modules linked in: af_iucv sunrpc qeth_l3 dm_multipath dm_mod vmur qeth ccwgroup <4>CPU: 0 Not tainted 2.6.30 #4 <4>Process client-iucv (pid: 4787, task: 0000000034e75940, ksp: 00000000353e3710) <4>Krnl PSW : 0704000180000000 000000000043ebca (sock_queue_rcv_skb+0x7a/0x138) <4> R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:0 PM:0 EA:3 <4>Krnl GPRS: 0052900000000000 000003e0016e0fe8 0000000000000000 0000000000000000 <4> 000000000043eba8 0000000000000002 0000000000000001 00000000341aa7f0 <4> 0000000000000000 0000000000007800 0000000000000000 0000000000000000 <4> 00000000341aa7f0 0000000000594650 000000000043eba8 000000003fc2fb28 <4>Krnl Code: 000000000043ebbe: a7840006 brc 8,43ebca <4> 000000000043ebc2: 5930c23c c %r3,572(%r12) <4> 000000000043ebc6: a724004c brc 2,43ec5e <4> >000000000043ebca: e3c0b0100024 stg %r12,16(%r11) <4> 000000000043ebd0: a7190000 lghi %r1,0 <4> 000000000043ebd4: e310b0200024 stg %r1,32(%r11) <4> 000000000043ebda: c010ffffdce9 larl %r1,43a5ac <4> 000000000043ebe0: e310b0800024 stg %r1,128(%r11) <4>Call Trace: <4>([<000000000043eba8>] sock_queue_rcv_skb+0x58/0x138) <4> [<000003e0016bcf2a>] iucv_process_message+0x112/0x3cc [af_iucv] <4> [<000003e0016bd3d4>] iucv_callback_rx+0x1f0/0x274 [af_iucv] <4> [<000000000053a21a>] iucv_message_pending+0xa2/0x120 <4> [<000000000053b5a6>] iucv_tasklet_fn+0x176/0x1b8 <4> [<000000000014fa82>] tasklet_action+0xfe/0x1f4 <4> [<0000000000150a56>] __do_softirq+0x116/0x284 <4> [<0000000000111058>] do_softirq+0xe4/0xe8 <4> [<00000000001504ba>] irq_exit+0xba/0xd8 <4> [<000000000010e0b2>] do_extint+0x146/0x190 <4> [<00000000001184b6>] ext_no_vtime+0x1e/0x22 <4> [<00000000001fbf4e>] kfree+0x202/0x28c <4>([<00000000001fbf44>] kfree+0x1f8/0x28c) <4> [<000000000044205a>] __kfree_skb+0x32/0x124 <4> [<000003e0016bd8b2>] iucv_sock_recvmsg+0x236/0x41c [af_iucv] <4> [<0000000000437042>] sock_aio_read+0x136/0x160 <4> [<0000000000205e50>] do_sync_read+0xe4/0x13c <4> [<0000000000206dce>] vfs_read+0x152/0x15c <4> [<0000000000206ed0>] SyS_read+0x54/0xac <4> [<0000000000117c8e>] sysc_noemu+0x10/0x16 <4> [<00000042ff8def3c>] 0x42ff8def3c Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16af_iucv: do not call iucv_sock_kill() twiceHendrik Brueckner
For non-accepted sockets on the accept queue, iucv_sock_kill() is called twice (in iucv_sock_close() and iucv_sock_cleanup_listen()). This typically results in a kernel oops as shown below. Remove the duplicate call to iucv_sock_kill() and set the SOCK_ZAPPED flag in iucv_sock_close() only. The iucv_sock_kill() function frees a socket only if the socket is zapped and orphaned (sk->sk_socket == NULL): - Non-accepted sockets are always orphaned and, thus, iucv_sock_kill() frees the socket twice. - For accepted sockets or sockets created with iucv_sock_create(), sk->sk_socket is initialized. This caused the first call to iucv_sock_kill() to return immediately. To free these sockets, iucv_sock_release() uses sock_orphan() before calling iucv_sock_kill(). <1>Unable to handle kernel pointer dereference at virtual kernel address 000000003edd3000 <4>Oops: 0011 [#1] PREEMPT SMP DEBUG_PAGEALLOC <4>Modules linked in: af_iucv sunrpc qeth_l3 dm_multipath dm_mod qeth vmur ccwgroup <4>CPU: 0 Not tainted 2.6.30 #4 <4>Process iucv_sock_close (pid: 2486, task: 000000003aea4340, ksp: 000000003b75bc68) <4>Krnl PSW : 0704200180000000 000003e00168e23a (iucv_sock_kill+0x2e/0xcc [af_iucv]) <4> R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 <4>Krnl GPRS: 0000000000000000 000000003b75c000 000000003edd37f0 0000000000000001 <4> 000003e00168ec62 000000003988d960 0000000000000000 000003e0016b0608 <4> 000000003fe81b20 000000003839bb58 00000000399977f0 000000003edd37f0 <4> 000003e00168b000 000003e00168f138 000000003b75bcd0 000000003b75bc98 <4>Krnl Code: 000003e00168e22a: c0c0ffffe6eb larl %r12,3e00168b000 <4> 000003e00168e230: b90400b2 lgr %r11,%r2 <4> 000003e00168e234: e3e0f0980024 stg %r14,152(%r15) <4> >000003e00168e23a: e310225e0090 llgc %r1,606(%r2) <4> 000003e00168e240: a7110001 tmll %r1,1 <4> 000003e00168e244: a7840007 brc 8,3e00168e252 <4> 000003e00168e248: d507d00023c8 clc 0(8,%r13),968(%r2) <4> 000003e00168e24e: a7840009 brc 8,3e00168e260 <4>Call Trace: <4>([<000003e0016b0608>] afiucv_dbf+0x0/0xfffffffffffdea20 [af_iucv]) <4> [<000003e00168ec6c>] iucv_sock_close+0x130/0x368 [af_iucv] <4> [<000003e00168ef02>] iucv_sock_release+0x5e/0xe4 [af_iucv] <4> [<0000000000438e6c>] sock_release+0x44/0x104 <4> [<0000000000438f5e>] sock_close+0x32/0x50 <4> [<0000000000207898>] __fput+0xf4/0x250 <4> [<00000000002038aa>] filp_close+0x7a/0xa8 <4> [<00000000002039ba>] SyS_close+0xe2/0x148 <4> [<0000000000117c8e>] sysc_noemu+0x10/0x16 <4> [<00000042ff8deeac>] 0x42ff8deeac Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16af_iucv: handle non-accepted sockets after resuming from suspendHendrik Brueckner
After resuming from suspend, all af_iucv sockets are disconnected. Ensure that iucv_accept_dequeue() can handle disconnected sockets which are not yet accepted. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16af_iucv: fix race in __iucv_sock_wait()Hendrik Brueckner
Moving prepare_to_wait before the condition to avoid a race between schedule_timeout and wake up. The race can appear during iucv_sock_connect() and iucv_callback_connack(). Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16iucv: use correct output register in iucv_query_maxconn()Hendrik Brueckner
The iucv_query_maxconn() function uses the wrong output register and stores the size of the interrupt buffer instead of the maximum number of connections. According to the QUERY IUCV function, general register 1 contains the maximum number of connections. If the maximum number of connections is not set properly, the following warning is displayed: Badness at /usr/src/kernel-source/2.6.30-39.x.20090806/net/iucv/iucv.c:1808 Modules linked in: netiucv fsm af_iucv sunrpc qeth_l3 dm_multipath dm_mod vmur qeth ccwgroup CPU: 0 Tainted: G W 2.6.30 #4 Process seq (pid: 16925, task: 0000000030e24a40, ksp: 000000003033bd98) Krnl PSW : 0404200180000000 000000000053b270 (iucv_external_interrupt+0x64/0x224) R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 Krnl GPRS: 00000000011279c2 00000000014bdb70 0029000000000000 0000000000000029 000000000053b236 000000000001dba4 0000000000000000 0000000000859210 0000000000a67f68 00000000008a6100 000000003f83fb90 0000000000004000 000000003f8c7bc8 00000000005a2250 000000000053b236 000000003fc2fe08 Krnl Code: 000000000053b262: e33010000021 clg %r3,0(%r1) 000000000053b268: a7440010 brc 4,53b288 000000000053b26c: a7f40001 brc 15,53b26e >000000000053b270: c03000184134 larl %r3,8434d8 000000000053b276: eb220030000c srlg %r2,%r2,48 000000000053b27c: eb6ff0a00004 lmg %r6,%r15,160(%r15) 000000000053b282: c0f4fffff6a7 brcl 15,539fd0 000000000053b288: 4310a003 ic %r1,3(%r10) Call Trace: ([<000000000053b236>] iucv_external_interrupt+0x2a/0x224) [<000000000010e09e>] do_extint+0x132/0x190 [<00000000001184b6>] ext_no_vtime+0x1e/0x22 [<0000000000549f7a>] _spin_unlock_irqrestore+0x96/0xa4 ([<0000000000549f70>] _spin_unlock_irqrestore+0x8c/0xa4) [<00000000002101d6>] pipe_write+0x3da/0x5bc [<0000000000205d14>] do_sync_write+0xe4/0x13c [<0000000000206a7e>] vfs_write+0xae/0x15c [<0000000000206c24>] SyS_write+0x54/0xac [<0000000000117c8e>] sysc_noemu+0x10/0x16 [<00000042ff8defcc>] 0x42ff8defcc Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16iucv: fix iucv_buffer_cpumask check when calling IUCV functionsHendrik Brueckner
Prior to calling IUCV functions, the DECLARE BUFFER function must have been called for at least one CPU to receive IUCV interrupts. With commit "iucv: establish reboot notifier" (6c005961), a check has been introduced to avoid calling IUCV functions if the current CPU does not have an interrupt buffer declared. Because one interrupt buffer is sufficient, change the condition to ensure that one interrupt buffer is available. In addition, checking the buffer on the current CPU creates a race with CPU up/down notifications: before checking the buffer, the IUCV function might be interrupted by an smp_call_function() that retrieves the interrupt buffer for the current CPU. When the IUCV function continues, the check fails and -EIO is returned. If a buffer is available on any other CPU, the IUCV function call must be invoked (instead of failing with -EIO). Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16iucv: suspend/resume error msg for left over pathesUrsula Braun
During suspend IUCV exploiters have to close their IUCV connections. When restoring an image, it can be checked if all IUCV pathes had been closed before the Linux instance was suspended. If not, an error message is issued to indicate a problem in one of the used programs exploiting IUCV communication. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16Merge branch 'for-linus' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
2009-09-16ipv6: Ignore route option with ROUTER_PREF_INVALIDJens Rosenboom
RFC4191 says that "If the Reserved (10) value is received, the Route Information Option MUST be ignored.", so this patch makes us conform to the RFC. This is different to the usage of the Default Router Preference, where an invalid value must indeed be treated as PREF_MEDIUM. Signed-off-by: Jens Rosenboom <me@jayr.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-16Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2009-09-16cfg80211: fix SME connectJohannes Berg
There's a check saying /* we're good if we have both BSSID and channel */ if (wdev->conn->params.bssid && wdev->conn->params.channel) { but that isn't true -- we need the BSS struct. This leads to errors such as Trying to associate with 00:1b:53:11:dc:40 (SSID='TEST' freq=2412 MHz) ioctl[SIOCSIWFREQ]: No such file or directory ioctl[SIOCSIWESSID]: No such file or directory Association request to the driver failed Associated with 00:1b:53:11:dc:40 in wpa_supplicant, as reported by Holger. Instead, we really need to have the BSS struct, and if we don't, then we need to initiate a scan for it. But we may already have the BSS struct here, so hang on to it if we do and scan if we don't. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Tested-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-16rc80211_minstrel: fix contention window calculationPavel Roskin
The contention window is supposed to be a power of two minus one, i.e. 15, 31, 63, 127... minstrel_rate_init() forgets to subtract 1, so the sequence becomes 15, 32, 66, 134... Bug reported by Dan Halperin <dhalperi@cs.washington.edu> Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev debugfs: Modify default debugfs directory for debugging pktcdvd. debugfs: Modified default dir of debugfs for debugging UHCI. debugfs: Change debugfs directory of IWMC3200 debugfs: Change debuhgfs directory of trace-events-sample.h debugfs: Fix mount directory of debugfs by default in events.txt hpilo: add poll f_op hpilo: add interrupt handler hpilo: staging for interrupt handling driver core: platform_device_add_data(): use kmemdup() Driver core: Add support for compatibility classes uio: add generic driver for PCI 2.3 devices driver-core: move dma-coherent.c from kernel to driver/base mem_class: fix bug mem_class: use minor as index instead of searching the array driver model: constify attribute groups UIO: remove 'default n' from Kconfig Driver core: Add accessor for device platform data Driver core: move dev_get/set_drvdata to drivers/base/dd.c Driver core: add new device to bus's list before probing
2009-09-16RxRPC: Use uX/sX rather than uintX_t/intX_t typesDavid Howells
Use uX rather than uintX_t types for consistency. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15tcp: fix CONFIG_TCP_MD5SIG + CONFIG_PREEMPT timer BUG()Robert Varga
I have recently came across a preemption imbalance detected by: <4>huh, entered ffffffff80644630 with preempt_count 00000102, exited with 00000101? <0>------------[ cut here ]------------ <2>kernel BUG at /usr/src/linux/kernel/timer.c:664! <0>invalid opcode: 0000 [1] PREEMPT SMP with ffffffff80644630 being inet_twdr_hangman(). This appeared after I enabled CONFIG_TCP_MD5SIG and played with it a bit, so I looked at what might have caused it. One thing that struck me as strange is tcp_twsk_destructor(), as it calls tcp_put_md5sig_pool() -- which entails a put_cpu(), causing the detected imbalance. Found on 2.6.23.9, but 2.6.31 is affected as well, as far as I can tell. Signed-off-by: Robert Varga <nite@hq.alert.sk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15pkt_sched: Fix qdisc_create on stab error handlingJarek Poplawski
If qdisc_get_stab returns error in qdisc_create there is skipped qdisc ops->destroy, which is necessary because it's after ops->init at the moment, so memory leaks are quite probable. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15driver model: constify attribute groupsDavid Brownell
Let attribute group vectors be declared "const". We'd like to let most attribute metadata live in read-only sections... this is a start. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (46 commits) powerpc64: convert to dynamic percpu allocator sparc64: use embedding percpu first chunk allocator percpu: kill lpage first chunk allocator x86,percpu: use embedding for 64bit NUMA and page for 32bit NUMA percpu: update embedding first chunk allocator to handle sparse units percpu: use group information to allocate vmap areas sparsely vmalloc: implement pcpu_get_vm_areas() vmalloc: separate out insert_vmalloc_vm() percpu: add chunk->base_addr percpu: add pcpu_unit_offsets[] percpu: introduce pcpu_alloc_info and pcpu_group_info percpu: move pcpu_lpage_build_unit_map() and pcpul_lpage_dump_cfg() upward percpu: add @align to pcpu_fc_alloc_fn_t percpu: make @dyn_size mandatory for pcpu_setup_first_chunk() percpu: drop @static_size from first chunk allocators percpu: generalize first chunk allocator selection percpu: build first chunk allocators selectively percpu: rename 4k first chunk allocator to page percpu: improve boot messages percpu: fix pcpu_reclaim() locking ... Fix trivial conflict as by Tejun Heo in kernel/sched.c
2009-09-15ieee802154: add locking for seq numbersDmitry Eremin-Solenikov
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
2009-09-15af_ieee802154: setsockopt optlen arg isn't __userDmitry Eremin-Solenikov
Remove __user annotation from optlen arg as it's bogus. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
2009-09-15pkt_sched: Fix tx queue selection in tc_modify_qdiscJarek Poplawski
After the recent mq change there is the new select_queue qdisc class method used in tc_modify_qdisc, but it works OK only for direct child qdiscs of mq qdisc. Grandchildren always get the first tx queue, which would give wrong qdisc_root etc. results (e.g. for sch_htb as child of sch_prio). This patch fixes it by using parent's dev_queue for such grandchildren qdiscs. The select_queue method's return type is changed BTW. With feedback from: Patrick McHardy <kaber@trash.net> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15RxRPC: Parse security index 5 keys (Kerberos 5)David Howells
Parse RxRPC security index 5 type keys (Kerberos 5 tokens). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15RxRPC: Allow RxRPC keys to be readDavid Howells
Allow RxRPC keys to be read. This is to allow pioctl() to be implemented in userspace. RxRPC keys are read out in XDR format. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15RxRPC: Allow key payloads to be passed in XDR formDavid Howells
Allow add_key() and KEYCTL_INSTANTIATE to accept key payloads in XDR form as described by openafs-1.4.10/src/auth/afs_token.xg. This provides a way of passing kaserver, Kerberos 4, Kerberos 5 and GSSAPI keys from userspace, and allows for future expansion. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15RxRPC: Declare the security index constants symbolicallyDavid Howells
Declare the security index constants symbolically rather than just referring to them numerically. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15[PATCH] net: kmemcheck annotation in struct socketEric Dumazet
struct socket has a 16 bit hole that triggers kmemcheck warnings. As suggested by Ingo, use kmemcheck annotations Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15bonding: remap muticast addresses without using dev_close() and dev_open()Moni Shoua
This patch fixes commit e36b9d16c6a6d0f59803b3ef04ff3c22c3844c10. The approach there is to call dev_close()/dev_open() whenever the device type is changed in order to remap the device IP multicast addresses to HW multicast addresses. This approach suffers from 2 drawbacks: *. It assumes tha the device is UP when calling dev_close(), or otherwise dev_close() has no affect. It is worth to mention that initscripts (Redhat) and sysconfig (Suse) doesn't act the same in this matter. *. dev_close() has other side affects, like deleting entries from the routing table, which might be unnecessary. The fix here is to directly remap the IP multicast addresses to HW multicast addresses for a bonding device that changes its type, and nothing else. Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Moni Shoua <monis@voltaire.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15can: fix NOHZ local_softirq_pending 08 warningOliver Hartkopp
When using nanosleep() in an userspace application we get a ratelimit warning NOHZ: local_softirq_pending 08 for 10 times. The echo of CAN frames is done from process context and softirq context only. Therefore the usage of netif_rx() was wrong (for years). This patch replaces netif_rx() with netif_rx_ni() which has to be used from process/softirq context. It also adds a missing comment that can_send() must no be used from hardirq context. Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: Urs Thuermann <urs@isnogud.escape.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-15tcp: fix ssthresh u16 leftoverIlpo Järvinen
It was once upon time so that snd_sthresh was a 16-bit quantity. ...That has not been true for long period of time. I run across some ancient compares which still seem to trust such legacy. Put all that magic into a single place, I hopefully found all of them. Compile tested, though linking of allyesconfig is ridiculous nowadays it seems. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14pkt_sched: Fix qdisc_graft WRT ingress qdiscJarek Poplawski
After the recent mq change using ingress qdisc overwrites dev->qdisc; there is also a wrong old qdisc pointer passed to notify_and_destroy. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14Phonet: Netlink event for autoconfigured addressesRémi Denis-Courmont
From: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14net: constify remaining proto_opsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14net: constify struct inet6_protocolAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14net: constify struct net_protocolAlexey Dobriyan
Remove long removed "inet_protocol_base" declaration. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14net-next-2.6 [PATCH 1/1] dccp: ccids whitespace-cleanup / CodingStyleGerrit Renker
No code change, cosmetical changes only: * whitespace cleanup via scripts/cleanfile, * remove self-references to filename at top of files, * fix coding style (extraneous brackets), * fix documentation style (kernel-doc-nano-HOWTO). Thanks are due to Ivo Augusto Calado who raised these issues by submitting good-quality patches. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14genetlink: fix netns vs. netlink table lockingJohannes Berg
Since my commits introducing netns awareness into genetlink we can get this problem: BUG: scheduling while atomic: modprobe/1178/0x00000002 2 locks held by modprobe/1178: #0: (genl_mutex){+.+.+.}, at: [<ffffffff8135ee1a>] genl_register_mc_grou #1: (rcu_read_lock){.+.+..}, at: [<ffffffff8135eeb5>] genl_register_mc_g Pid: 1178, comm: modprobe Not tainted 2.6.31-rc8-wl-34789-g95cb731-dirty # Call Trace: [<ffffffff8103e285>] __schedule_bug+0x85/0x90 [<ffffffff81403138>] schedule+0x108/0x588 [<ffffffff8135b131>] netlink_table_grab+0xa1/0xf0 [<ffffffff8135c3a7>] netlink_change_ngroups+0x47/0x100 [<ffffffff8135ef0f>] genl_register_mc_group+0x12f/0x290 because I overlooked that netlink_table_grab() will schedule, thinking it was just the rwlock. However, in the contention case, that isn't actually true. Fix this by letting the code grab the netlink table lock first and then the RCU for netns protection. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14Have atalk_route_packet() return NET_RX_SUCCESS not NET_XMIT_SUCCESSMark Smith
Have atalk_route_packet() return NET_RX_SUCCESS not NET_XMIT_SUCCESS atalk_route_packet() returns NET_RX_DROP if it's call to aarp_send_ddp() returns NET_XMIT_DROP. If aarp_send_ddp() returns anything else atalk_route_packet() should return NET_RX_SUCCESS, not NET_XMIT_SUCCESS. Signed-off-by: Mark Smith <markzzzsmith@yahoo.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-14cfg80211: minimal error handling for wext-compat freq scanningHolger Schurig
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-14cfg80211: use cfg80211_wext_freq() for freq conversionHolger Schurig
WEXT's "struct iw_freq" can also be used to handle a channel. This patch now uses cfg80211_wext_freq() instead of hand-converting the frequency. That allows user-space to specify channels as well, like with SIOCSIWFREQ. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1623 commits) netxen: update copyright netxen: fix tx timeout recovery netxen: fix file firmware leak netxen: improve pci memory access netxen: change firmware write size tg3: Fix return ring size breakage netxen: build fix for INET=n cdc-phonet: autoconfigure Phonet address Phonet: back-end for autoconfigured addresses Phonet: fix netlink address dump error handling ipv6: Add IFA_F_DADFAILED flag net: Add DEVTYPE support for Ethernet based devices mv643xx_eth.c: remove unused txq_set_wrr() ucc_geth: Fix hangs after switching from full to half duplex ucc_geth: Rearrange some code to avoid forward declarations phy/marvell: Make non-aneg speed/duplex forcing work for 88E1111 PHYs drivers/net/phy: introduce missing kfree drivers/net/wan: introduce missing kfree net: force bridge module(s) to be GPL Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded ... Fixed up trivial conflicts: - arch/x86/include/asm/socket.h converted to <asm-generic/socket.h> in the x86 tree. The generic header has the same new #define's, so that works out fine. - drivers/net/tun.c fix conflict between 89f56d1e9 ("tun: reuse struct sock fields") that switched over to using 'tun->socket.sk' instead of the redundantly available (and thus removed) 'tun->sk', and 2b980dbd ("lsm: Add hooks to the TUN driver") which added a new 'tun->sk' use. Noted in 'next' by Stephen Rothwell.
2009-09-11Phonet: back-end for autoconfigured addressesRémi Denis-Courmont
In some cases, the network device driver knows what layer-3 address the device should have. This adds support for the Phonet stack to automatically request from the driver and add that address to the network device. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11Phonet: fix netlink address dump error handlingRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11ipv6: Add IFA_F_DADFAILED flagBrian Haley
Add IFA_F_DADFAILED flag to denote an IPv6 address that has failed Duplicate Address Detection, that way tools like /sbin/ip can be more informative. 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 inet6 2001:db8::1/64 scope global tentative dadfailed valid_lft forever preferred_lft forever Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11net: Add DEVTYPE support for Ethernet based devicesMarcel Holtmann
The Ethernet framing is used for a lot of devices these days. Most prominent are WiFi and WiMAX based devices. However for userspace application it is important to classify these devices correctly and not only see them as Ethernet devices. The daemons like HAL, DeviceKit or even NetworkManager with udev support tries to do the classification in userspace with a lot trickery and extra system calls. This is not good and actually reaches its limitations. Especially since the kernel does know the type of the Ethernet device it is pretty stupid. To solve this problem the underlying device type needs to be set and then the value will be exported as DEVTYPE via uevents and available within udev. # cat /sys/class/net/wlan0/uevent DEVTYPE=wlan INTERFACE=wlan0 IFINDEX=5 This is similar to subsystems like USB and SCSI that distinguish between hosts, devices, disks, partitions etc. The new SET_NETDEV_DEVTYPE() is a convenience helper to set the actual device type. All device types are free form, but for convenience the same strings as used with RFKILL are choosen. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-11net: force bridge module(s) to be GPLStephen Hemminger
The only valid usage for the bridge frame hooks are by a GPL components (such as the bridge module). The kernel should not leave a crack in the door for proprietary networking stacks to slip in. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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