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2013-07-11watchdog: shwdt: Remove redundant platform_set_drvdata()Sachin Kamat1-2/+0
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <[email protected]> Cc: Paul Mundt <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11inet: fix spacing in assignmentCamelia Groza1-1/+1
Found using checkpatch.pl Signed-off-by: Camelia Groza <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11watchdog: shwdt: use devm_clk_get()Jingoo Han1-12/+4
Use devm_clk_get() to make cleanup paths more simple. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: pnx4008_wdt: use devm_clk_get()Jingoo Han1-5/+2
Use devm_clk_get() to make cleanup paths more simple. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: imx2_wdt: use devm_clk_get()Jingoo Han1-4/+2
Use devm_clk_get() to make cleanup paths more simple. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: dw_wdt: Staticize local symbolSachin Kamat1-2/+2
'dw_wdt_write' is used only in this file. Make it static. Signed-off-by: Sachin Kamat <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11ifb: fix oops when loading the ifb faileddingtianhong1-0/+4
If __rtnl_link_register() return faild when loading the ifb, it will take the wrong path and get oops, so fix it just like dummy. Signed-off-by: Ding Tianhong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11dummy: fix oops when loading the dummy faileddingtianhong1-0/+4
We rename the dummy in modprobe.conf like this: install dummy0 /sbin/modprobe -o dummy0 --ignore-install dummy install dummy1 /sbin/modprobe -o dummy1 --ignore-install dummy We got oops when we run the command: modprobe dummy0 modprobe dummy1 ------------[ cut here ]------------ [ 3302.187584] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 3302.195411] IP: [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0 [ 3302.201844] PGD 85c94a067 PUD 8517bd067 PMD 0 [ 3302.206305] Oops: 0002 [#1] SMP [ 3302.299737] task: ffff88105ccea300 ti: ffff880eba4a0000 task.ti: ffff880eba4a0000 [ 3302.307186] RIP: 0010:[<ffffffff813fe62a>] [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0 [ 3302.316044] RSP: 0018:ffff880eba4a1dd8 EFLAGS: 00010246 [ 3302.321332] RAX: 0000000000000000 RBX: ffffffff81a9d738 RCX: 0000000000000002 [ 3302.328436] RDX: 0000000000000000 RSI: ffffffffa04d602c RDI: ffff880eba4a1dd8 [ 3302.335541] RBP: ffff880eba4a1e18 R08: dead000000200200 R09: dead000000100100 [ 3302.342644] R10: 0000000000000080 R11: 0000000000000003 R12: ffffffff81a9d788 [ 3302.349748] R13: ffffffffa04d7020 R14: ffffffff81a9d670 R15: ffff880eba4a1dd8 [ 3302.364910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3302.370630] CR2: 0000000000000008 CR3: 000000085e15e000 CR4: 00000000000427e0 [ 3302.377734] DR0: 0000000000000003 DR1: 00000000000000b0 DR2: 0000000000000001 [ 3302.384838] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 3302.391940] Stack: [ 3302.393944] ffff880eba4a1dd8 ffff880eba4a1dd8 ffff880eba4a1e18 ffffffffa04d70c0 [ 3302.401350] 00000000ffffffef ffffffffa01a8000 0000000000000000 ffffffff816111c8 [ 3302.408758] ffff880eba4a1e48 ffffffffa01a80be ffff880eba4a1e48 ffffffffa04d70c0 [ 3302.416164] Call Trace: [ 3302.418605] [<ffffffffa01a8000>] ? 0xffffffffa01a7fff [ 3302.423727] [<ffffffffa01a80be>] dummy_init_module+0xbe/0x1000 [dummy0] [ 3302.430405] [<ffffffffa01a8000>] ? 0xffffffffa01a7fff [ 3302.435535] [<ffffffff81000322>] do_one_initcall+0x152/0x1b0 [ 3302.441263] [<ffffffff810ab24b>] do_init_module+0x7b/0x200 [ 3302.446824] [<ffffffff810ad3d2>] load_module+0x4e2/0x530 [ 3302.452215] [<ffffffff8127ae40>] ? ddebug_dyndbg_boot_param_cb+0x60/0x60 [ 3302.458979] [<ffffffff810ad5f1>] SyS_init_module+0xd1/0x130 [ 3302.464627] [<ffffffff814b9652>] system_call_fastpath+0x16/0x1b [ 3302.490090] RIP [<ffffffff813fe62a>] __rtnl_link_unregister+0x9a/0xd0 [ 3302.496607] RSP <ffff880eba4a1dd8> [ 3302.500084] CR2: 0000000000000008 [ 3302.503466] ---[ end trace 8342d49cd49f78ed ]--- The reason is that when loading dummy, if __rtnl_link_register() return failed, the init_module should return and avoid take the wrong path. Signed-off-by: Tan Xiaojun <[email protected]> Signed-off-by: Ding Tianhong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11watchdog: dw_wdt: use devm_clk_get()Jingoo Han1-5/+2
Use devm_clk_get() to make cleanup paths more simple. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: ts72xx_wdt: use devm_*() functionsJingoo Han1-57/+10
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: riowd: use platform_{get,set}_drvdata()Jingoo Han1-2/+2
Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: riowd: use devm_kzalloc()Jingoo Han1-6/+2
Use devm_kzalloc() to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: rc32434_wdt: use devm_ioremap_nocache() functionsJingoo Han1-7/+3
Use devm_ioremap_nocache() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: nuc900_wdt: use devm_*() functionsJingoo Han1-39/+11
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: mv64x60_wdt: use devm_ioremap()Jingoo Han1-3/+1
Use devm_ioremap() to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11drivers: net: phy: at803x: Add missing mdio device idHelmut Schaa1-0/+1
at803x supports Atheros 8030, 8031 and 8035 PHYs. 8031 was missing from the mdio device id table. Signed-off-by: Helmut Schaa <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11watchdog: bcm63xx_wdt: use devm_ioremap_nocache()Jingoo Han1-5/+4
Use devm_ioremap_nocache() to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: at32ap700x: Remove redundant platform_set_drvdata()Sachin Kamat1-4/+1
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <[email protected]> Acked-by: Hans-Christian Egtvedt <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11watchdog: at32ap700x_wdt: use devm_*() functionsJingoo Han1-8/+4
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
2013-07-11ipv6: fix route selection if kernel is not compiled with CONFIG_IPV6_ROUTER_PREFHannes Frederic Sowa1-23/+40
This is a follow-up patch to 3630d40067a21d4dfbadc6002bb469ce26ac5d52 ("ipv6: rt6_check_neigh should successfully verify neigh if no NUD information are available"). Since the removal of rt->n in rt6_info we can end up with a dst == NULL in rt6_check_neigh. In case the kernel is not compiled with CONFIG_IPV6_ROUTER_PREF we should also select a route with unkown NUD state but we must not avoid doing round robin selection on routes with the same target. So introduce and pass down a boolean ``do_rr'' to indicate when we should update rt->rr_ptr. As soon as no route is valid we do backtracking and do a lookup on a higher level in the fib trie. v2: a) Improved rt6_check_neigh logic (no need to create neighbour there) and documented return values. v3: a) Introduce enum rt6_nud_state to get rid of the magic numbers (thanks to David Miller). b) Update and shorten commit message a bit to actualy reflect the source. Reported-by: Pierre Emeriaud <[email protected]> Cc: YOSHIFUJI Hideaki <[email protected]> Signed-off-by: Hannes Frederic Sowa <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11bnx2x: fix tunneling CSUM calculationDmitry Kravkov1-3/+3
Since commit c957d09ffda417f6c8e3d1f10e2b05228607d6d7 "bnx2x: Remove sparse and coccinelle warnings" driver provided wrong partial csum for HW in tunneing scenarios. Reported-by: Eric Dumazet <[email protected]> CC: Alexander Duyck <[email protected]> CC: Pravin Shelar <[email protected]> CC: Cong Wang <[email protected]> Signed-off-by: Dmitry Kravkov <[email protected]> Tested-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11alx: fix lockdep annotationMaarten Lankhorst1-3/+2
Move spin_lock_init to be called before the spinlocks are used, preventing a lockdep splat. Signed-off-by: Maarten Lankhorst <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11vxlan: Fix kernel crash on rmmod.Pravin B Shelar1-1/+1
vxlan exit module unregisters vxlan net and then it unregisters rtnl ops which triggers vxlan_dellink() from __rtnl_kill_links(). vxlan_dellink() deletes vxlan-dev from vxlan_list which has list-head in vxlan-net-struct but that is already gone due to net-unregister. That is how we are getting following crash. Following commit fixes the crash by fixing module exit path. BUG: unable to handle kernel paging request at ffff8804102c8000 IP: [<ffffffff812cc5e9>] __list_del_entry+0x29/0xd0 PGD 2972067 PUD 83e019067 PMD 83df97067 PTE 80000004102c8060 Oops: 0000 [#1] SMP DEBUG_PAGEALLOC Modules linked in: --- CPU: 19 PID: 6712 Comm: rmmod Tainted: GF 3.10.0+ #95 Hardware name: Dell Inc. PowerEdge R620/0KCKR5, BIOS 1.4.8 10/25/2012 task: ffff88080c47c580 ti: ffff88080ac50000 task.ti: ffff88080ac50000 RIP: 0010:[<ffffffff812cc5e9>] [<ffffffff812cc5e9>] __list_del_entry+0x29/0xd0 RSP: 0018:ffff88080ac51e08 EFLAGS: 00010206 RAX: ffff8804102c8000 RBX: ffff88040f0d4b10 RCX: dead000000200200 RDX: ffff8804102c8000 RSI: ffff88080ac51e58 RDI: ffff88040f0d4b10 RBP: ffff88080ac51e08 R08: 0000000000000001 R09: 2222222222222222 R10: 2222222222222222 R11: 2222222222222222 R12: ffff88080ac51e58 R13: ffffffffa07b8840 R14: ffffffff81ae48c0 R15: ffff88080ac51e58 FS: 00007f9ef105c700(0000) GS:ffff88082a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8804102c8000 CR3: 00000008227e5000 CR4: 00000000000407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: ffff88080ac51e28 ffffffff812cc6a1 2222222222222222 ffff88040f0d4000 ffff88080ac51e48 ffffffffa07b3311 ffff88040f0d4000 ffffffff81ae49c8 ffff88080ac51e98 ffffffff81492fc2 ffff88080ac51e58 ffff88080ac51e58 Call Trace: [<ffffffff812cc6a1>] list_del+0x11/0x40 [<ffffffffa07b3311>] vxlan_dellink+0x51/0x70 [vxlan] [<ffffffff81492fc2>] __rtnl_link_unregister+0xa2/0xb0 [<ffffffff8149448e>] rtnl_link_unregister+0x1e/0x30 [<ffffffffa07b7b7c>] vxlan_cleanup_module+0x1c/0x2f [vxlan] [<ffffffff810c9b31>] SyS_delete_module+0x1d1/0x2c0 [<ffffffff812b8a0e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff81582f42>] system_call_fastpath+0x16/0x1b Code: eb 9f 55 48 8b 17 48 b9 00 01 10 00 00 00 ad de 48 8b 47 08 48 89 e5 48 39 ca 74 29 48 b9 00 02 20 00 00 00 ad de 48 39 c8 74 7a <4c> 8b 00 4c 39 c7 75 53 4c 8b 42 08 4c 39 c7 75 2b 48 89 42 08 RIP [<ffffffff812cc5e9>] __list_del_entry+0x29/0xd0 RSP <ffff88080ac51e08> CR2: ffff8804102c8000 Signed-off-by: Pravin B Shelar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-119p: fix off by one causing access violations and memory corruptionSasha Levin1-5/+5
p9_release_pages() would attempt to dereference one value past the end of pages[]. This would cause the following crashes: [ 6293.171817] BUG: unable to handle kernel paging request at ffff8807c96f3000 [ 6293.174146] IP: [<ffffffff8412793b>] p9_release_pages+0x3b/0x60 [ 6293.176447] PGD 79c5067 PUD 82c1e3067 PMD 82c197067 PTE 80000007c96f3060 [ 6293.180060] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 6293.180060] Modules linked in: [ 6293.180060] CPU: 62 PID: 174043 Comm: modprobe Tainted: G W 3.10.0-next-20130710-sasha #3954 [ 6293.180060] task: ffff8807b803b000 ti: ffff880787dde000 task.ti: ffff880787dde000 [ 6293.180060] RIP: 0010:[<ffffffff8412793b>] [<ffffffff8412793b>] p9_release_pages+0x3b/0x60 [ 6293.214316] RSP: 0000:ffff880787ddfc28 EFLAGS: 00010202 [ 6293.214316] RAX: 0000000000000001 RBX: ffff8807c96f2ff8 RCX: 0000000000000000 [ 6293.222017] RDX: ffff8807b803b000 RSI: 0000000000000001 RDI: ffffea001c7e3d40 [ 6293.222017] RBP: ffff880787ddfc48 R08: 0000000000000000 R09: 0000000000000000 [ 6293.222017] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 [ 6293.222017] R13: 0000000000000001 R14: ffff8807cc50c070 R15: ffff8807cc50c070 [ 6293.222017] FS: 00007f572641d700(0000) GS:ffff8807f3600000(0000) knlGS:0000000000000000 [ 6293.256784] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 6293.256784] CR2: ffff8807c96f3000 CR3: 00000007c8e81000 CR4: 00000000000006e0 [ 6293.256784] Stack: [ 6293.256784] ffff880787ddfcc8 ffff880787ddfcc8 0000000000000000 ffff880787ddfcc8 [ 6293.256784] ffff880787ddfd48 ffffffff84128be8 ffff880700000002 0000000000000001 [ 6293.256784] ffff8807b803b000 ffff880787ddfce0 0000100000000000 0000000000000000 [ 6293.256784] Call Trace: [ 6293.256784] [<ffffffff84128be8>] p9_virtio_zc_request+0x598/0x630 [ 6293.256784] [<ffffffff8115c610>] ? wake_up_bit+0x40/0x40 [ 6293.256784] [<ffffffff841209b1>] p9_client_zc_rpc+0x111/0x3a0 [ 6293.256784] [<ffffffff81174b78>] ? sched_clock_cpu+0x108/0x120 [ 6293.256784] [<ffffffff84122a21>] p9_client_read+0xe1/0x2c0 [ 6293.256784] [<ffffffff81708a90>] v9fs_file_read+0x90/0xc0 [ 6293.256784] [<ffffffff812bd073>] vfs_read+0xc3/0x130 [ 6293.256784] [<ffffffff811a78bd>] ? trace_hardirqs_on+0xd/0x10 [ 6293.256784] [<ffffffff812bd5a2>] SyS_read+0x62/0xa0 [ 6293.256784] [<ffffffff841a1a00>] tracesys+0xdd/0xe2 [ 6293.256784] Code: 66 90 48 89 fb 41 89 f5 48 8b 3f 48 85 ff 74 29 85 f6 74 25 45 31 e4 66 0f 1f 84 00 00 00 00 00 e8 eb 14 12 fd 41 ff c4 49 63 c4 <48> 8b 3c c3 48 85 ff 74 05 45 39 e5 75 e7 48 83 c4 08 5b 41 5c [ 6293.256784] RIP [<ffffffff8412793b>] p9_release_pages+0x3b/0x60 [ 6293.256784] RSP <ffff880787ddfc28> [ 6293.256784] CR2: ffff8807c96f3000 [ 6293.256784] ---[ end trace 50822ee72cd360fc ]--- Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-11Merge tag 'for-linus-3.11-merge-window-part-2' of ↵Linus Torvalds11-79/+355
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs Pull second round of 9p patches from Eric Van Hensbergen: "Several of these patches were rebased in order to correct style issues. Only stylistic changes were made versus the patches which were in linux-next for two weeks. The rebases have been in linux-next for 3 days and have passed my regressions. The bulk of these are RDMA fixes and improvements. There's also some additions on the extended attributes front to support some additional namespaces and a new option for TCP to force allocation of mount requests from a priviledged port" * tag 'for-linus-3.11-merge-window-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: Remove the unused variable "err" in v9fs_vfs_getattr() 9P: Add cancelled() to the transport functions. 9P/RDMA: count posted buffers without a pending request 9P/RDMA: Improve error handling in rdma_request 9P/RDMA: Do not free req->rc in error handling in rdma_request() 9P/RDMA: Use a semaphore to protect the RQ 9P/RDMA: Protect against duplicate replies 9P/RDMA: increase P9_RDMA_MAXSIZE to 1MB 9pnet: refactor struct p9_fcall alloc code 9P/RDMA: rdma_request() needs not allocate req->rc 9P: Fix fcall allocation for rdma fs/9p: xattr: add trusted and security namespaces net/9p: add privport option to 9p tcp transport
2013-07-11Merge tag 'ecryptfs-3.11-rc1-cleanup' of ↵Linus Torvalds4-269/+85
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs updates from Tyler Hicks: "Code cleanups and improved buffer handling during page crypto operations: - Remove redundant code by merging some encrypt and decrypt functions - Get rid of a helper page allocation during page decryption by using in-place decryption - Better use of entire pages during page crypto operations - Several code cleanups" * tag 'ecryptfs-3.11-rc1-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: Use ecryptfs_dentry_to_lower_path in a couple of places eCryptfs: Make extent and scatterlist crypt function parameters similar eCryptfs: Collapse crypt_page_offset() into crypt_extent() eCryptfs: Merge ecryptfs_encrypt_extent() and ecryptfs_decrypt_extent() eCryptfs: Combine page_offset crypto functions eCryptfs: Combine encrypt_scatterlist() and decrypt_scatterlist() eCryptfs: Decrypt pages in-place eCryptfs: Accept one offset parameter in page offset crypto functions eCryptfs: Simplify lower file offset calculation eCryptfs: Read/write entire page during page IO eCryptfs: Use entire helper page during page crypto operations eCryptfs: Cocci spatch "memdup.spatch"
2013-07-11Merge tag 'jfs-3.11' of git://github.com/kleikamp/linux-shaggyLinus Torvalds12-154/+128
Pull jfs update from Dave Kleikamp: "A couple cleanups to JFS for 3.11" * tag 'jfs-3.11' of git://github.com/kleikamp/linux-shaggy: jfs: Update jfs_error jfs: fix sparse warning in fs/jfs/xattr.c
2013-07-11Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linuxLinus Torvalds20-182/+512
Pull nfsd changes from Bruce Fields: "Changes this time include: - 4.1 enabled on the server by default: the last 4.1-specific issues I know of are fixed, so we're not going to find the rest of the bugs without more exposure. - Experimental support for NFSv4.2 MAC Labeling (to allow running selinux over NFS), from Dave Quigley. - Fixes for some delicate cache/upcall races that could cause rare server hangs; thanks to Neil Brown and Bodo Stroesser for extreme debugging persistence. - Fixes for some bugs found at the recent NFS bakeathon, mostly v4 and v4.1-specific, but also a generic bug handling fragmented rpc calls" * 'for-3.11' of git://linux-nfs.org/~bfields/linux: (31 commits) nfsd4: support minorversion 1 by default nfsd4: allow destroy_session over destroyed session svcrpc: fix failures to handle -1 uid's sunrpc: Don't schedule an upcall on a replaced cache entry. net/sunrpc: xpt_auth_cache should be ignored when expired. sunrpc/cache: ensure items removed from cache do not have pending upcalls. sunrpc/cache: use cache_fresh_unlocked consistently and correctly. sunrpc/cache: remove races with queuing an upcall. nfsd4: return delegation immediately if lease fails nfsd4: do not throw away 4.1 lock state on last unlock nfsd4: delegation-based open reclaims should bypass permissions svcrpc: don't error out on small tcp fragment svcrpc: fix handling of too-short rpc's nfsd4: minor read_buf cleanup nfsd4: fix decoding of compounds across page boundaries nfsd4: clean up nfs4_open_delegation NFSD: Don't give out read delegations on creates nfsd4: allow client to send no cb_sec flavors nfsd4: fail attempts to request gss on the backchannel nfsd4: implement minimal SP4_MACH_CRED ...
2013-07-11ASoC: omap-mcbsp: Use different method for DMA request when booted with DTPeter Ujfalusi1-17/+22
The DMA resource no longer available via this API when booting with DT. When the board is booted with DT do not use platform_get_resource_byname(), instead set the dma_data.filter_data to the name of the DMA channel and omap-pcm can use this name to request the DMA channel. Signed-off-by: Peter Ujfalusi <[email protected]> Reviewed-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11ASoC: omap-dmic: Do not use platform_get_resource_byname() for DMAPeter Ujfalusi1-10/+1
The DMA resource no longer available via this API when booting with DT. DMIC is only available on OMAP4/5 and both can boot with DT only. Set the dma_data.filter_data to the DMA name which will be used by omap-pcm to request the DMA channel. Signed-off-by: Peter Ujfalusi <[email protected]> Reviewed-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11ASoC: omap-mcpdm: Do not use platform_get_resource_byname() for DMAPeter Ujfalusi1-14/+2
The DMA resource no longer available via this API when booting with DT. McPDM is only available on OMAP4/5 and both can boot with DT only. Set the dma_data.filter_data to the DMA name which will be used by omap-pcm to request the DMA channel. Signed-off-by: Peter Ujfalusi <[email protected]> Reviewed-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11ASoC: omap-pcm: Request the DMA channel differently when DT is involvedPeter Ujfalusi1-3/+14
When booting with DT the platform_get_resource_byname() is not available to get the DMA resource. In this case the DAI drivers will set the filter_data to the name of the DMA and omap-pcm can use this to request the DMA channel. Signed-off-by: Peter Ujfalusi <[email protected]> Reviewed-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11Merge tag 'trace-3.11' of ↵Linus Torvalds18-272/+694
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing changes from Steven Rostedt: "The majority of the changes here are cleanups for the large changes that were added to 3.10, which includes several bug fixes that have been marked for stable. As for new features, there were a few, but nothing to write to LWN about. These include: New function trigger called "dump" and "cpudump" that will cause ftrace to dump its buffer to the console when the function is called. The difference between "dump" and "cpudump" is that "dump" will dump the entire contents of the ftrace buffer, where as "cpudump" will only dump the contents of the ftrace buffer for the CPU that called the function. Another small enhancement is a new sysctl switch called "traceoff_on_warning" which, when enabled, will disable tracing if any WARN_ON() is triggered. This is useful if you want to debug what caused a warning and do not want to risk losing your trace data by the ring buffer overwriting the data before you can disable it. There's also a kernel command line option that will make this enabled at boot up called the same thing" * tag 'trace-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (34 commits) tracing: Make tracing_open_generic_{tr,tc}() static tracing: Remove ftrace() function tracing: Remove TRACE_EVENT_TYPE enum definition tracing: Make tracer_tracing_{off,on,is_on}() static tracing: Fix irqs-off tag display in syscall tracing uprobes: Fix return value in error handling path tracing: Fix race between deleting buffer and setting events tracing: Add trace_array_get/put() to event handling tracing: Get trace_array ref counts when accessing trace files tracing: Add trace_array_get/put() to handle instance refs better tracing: Protect ftrace_trace_arrays list in trace_events.c tracing: Make trace_marker use the correct per-instance buffer ftrace: Do not run selftest if command line parameter is set tracing/kprobes: Don't pass addr=ip to perf_trace_buf_submit() tracing: Use flag buffer_disabled for irqsoff tracer tracing/kprobes: Turn trace_probe->files into list_head tracing: Fix disabling of soft disable tracing: Add missing syscall_metadata comment tracing: Simplify code for showing of soft disabled flag tracing/kprobes: Kill probe_enable_lock ...
2013-07-11xfs: Add pquota fields where gquota is used.Chandra Seetharaman14-124/+291
Add project quota changes to all the places where group quota field is used: * add separate project quota members into various structures * split project quota and group quotas so that instead of overriding the group quota members incore, the new project quota members are used instead * get rid of usage of the OQUOTA flag incore, in favor of separate group and project quota flags. * add a project dquot argument to various functions. Not using the pquotino field from superblock yet. Signed-off-by: Chandra Seetharaman <[email protected]> Reviewed-by: Ben Myers <[email protected]> Signed-off-by: Ben Myers <[email protected]>
2013-07-11ASoC: Samsung: Set RFS and BFS in slave modePadmavathi Venna1-4/+4
As per the User Manual, the RFS and BFS should be set in slave mode for correct operation. Signed-off-by: Padmavathi Venna <[email protected]> Signed-off-by: Andrew Bresticker <[email protected]> Reviewed-by: Simon Glass <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11spi: revert master->setup function removal for altera and nuc900Stephen Warren2-0/+25
Commit 24778be "spi: convert drivers to use bits_per_word_mask" removed what appeared to be redundant code from many drivers. However, it appears that in the spi-bitbang case, these functions are required by the spi-bitbang core, even if they don't do anything. Restore them. For 3.12, the spi-bitbang core should be adjusted not to require these callbacks to exist if they don't need to do anything. This is the equivalent of Michal Simek's patch "spi/xilinx: Revert master->setup function removal", applied to other affected drivers. Signed-off-by: Stephen Warren <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2013-07-11Revert "UEFI: Don't pass boot services regions to SetVirtualAddressMap()"Matt Fleming1-7/+0
This reverts commit 1acba98f810a14b1255e34bc620594f83de37e36. The firmware on both Dave's Thinkpad and Maarten's Macbook Pro appear to rely on the old behaviour, and their machines fail to boot with the above commit. Reported-by: Dave Young <[email protected]> Reported-by: Maarten Lankhorst <[email protected]> Cc: Seth Forshee <[email protected]> Cc: Matthew Garrett <[email protected]> Signed-off-by: Matt Fleming <[email protected]>
2013-07-11efivars: check for EFI_RUNTIME_SERVICESMatt Fleming1-0/+3
The efivars code requires EFI runtime services to function, so check that they are enabled. This fixes a crash when booting with the "noefi" kernel parameter, and also when mixing kernel and firmware "bitness", e.g. 32-bit kernel with 64-bit firmware. Tested-by: Dave Young <[email protected]> Signed-off-by: Matt Fleming <[email protected]>
2013-07-10sh_eth: SH_ETH should depend on HAS_DMAGeert Uytterhoeven1-0/+1
If NO_DMA=y: drivers/built-in.o: In function `sh_eth_free_dma_buffer': drivers/net/ethernet/renesas/sh_eth.c:1103: undefined reference to `dma_free_coherent' drivers/net/ethernet/renesas/sh_eth.c:1110: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `sh_eth_ring_init': drivers/net/ethernet/renesas/sh_eth.c:1065: undefined reference to `dma_alloc_coherent' drivers/net/ethernet/renesas/sh_eth.c:1086: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `sh_eth_ring_format': drivers/net/ethernet/renesas/sh_eth.c:988: undefined reference to `dma_map_single' drivers/built-in.o: In function `sh_eth_txfree': drivers/net/ethernet/renesas/sh_eth.c:1220: undefined reference to `dma_unmap_single' drivers/built-in.o: In function `sh_eth_rx': drivers/net/ethernet/renesas/sh_eth.c:1323: undefined reference to `dma_map_single' drivers/built-in.o: In function `sh_eth_start_xmit': drivers/net/ethernet/renesas/sh_eth.c:1954: undefined reference to `dma_map_single' Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-10ipv6: in case of link failure remove route directly instead of letting it expireHannes Frederic Sowa1-3/+6
We could end up expiring a route which is part of an ecmp route set. Doing so would invalidate the rt->rt6i_nsiblings calculations and could provoke the following panic: [ 80.144667] ------------[ cut here ]------------ [ 80.145172] kernel BUG at net/ipv6/ip6_fib.c:733! [ 80.145172] invalid opcode: 0000 [#1] SMP [ 80.145172] Modules linked in: 8021q nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables +snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer virtio_balloon snd soundcore i2c_piix4 i2c_core virtio_net virtio_blk [ 80.145172] CPU: 1 PID: 786 Comm: ping6 Not tainted 3.10.0+ #118 [ 80.145172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.145172] task: ffff880117fa0000 ti: ffff880118770000 task.ti: ffff880118770000 [ 80.145172] RIP: 0010:[<ffffffff815f3b5d>] [<ffffffff815f3b5d>] fib6_add+0x75d/0x830 [ 80.145172] RSP: 0018:ffff880118771798 EFLAGS: 00010202 [ 80.145172] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88011350e480 [ 80.145172] RDX: ffff88011350e238 RSI: 0000000000000004 RDI: ffff88011350f738 [ 80.145172] RBP: ffff880118771848 R08: ffff880117903280 R09: 0000000000000001 [ 80.145172] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88011350f680 [ 80.145172] R13: ffff880117903280 R14: ffff880118771890 R15: ffff88011350ef90 [ 80.145172] FS: 00007f02b5127740(0000) GS:ffff88011fd00000(0000) knlGS:0000000000000000 [ 80.145172] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 80.145172] CR2: 00007f981322a000 CR3: 00000001181b1000 CR4: 00000000000006e0 [ 80.145172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.145172] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 80.145172] Stack: [ 80.145172] 0000000000000001 ffff880100000000 ffff880100000000 ffff880117903280 [ 80.145172] 0000000000000000 ffff880119a4cf00 0000000000000400 00000000000007fa [ 80.145172] 0000000000000000 0000000000000000 0000000000000000 ffff88011350f680 [ 80.145172] Call Trace: [ 80.145172] [<ffffffff815eeceb>] ? rt6_bind_peer+0x4b/0x90 [ 80.145172] [<ffffffff815ed985>] __ip6_ins_rt+0x45/0x70 [ 80.145172] [<ffffffff815eee35>] ip6_ins_rt+0x35/0x40 [ 80.145172] [<ffffffff815ef1e4>] ip6_pol_route.isra.44+0x3a4/0x4b0 [ 80.145172] [<ffffffff815ef34a>] ip6_pol_route_output+0x2a/0x30 [ 80.145172] [<ffffffff81616077>] fib6_rule_action+0xd7/0x210 [ 80.145172] [<ffffffff815ef320>] ? ip6_pol_route_input+0x30/0x30 [ 80.145172] [<ffffffff81553026>] fib_rules_lookup+0xc6/0x140 [ 80.145172] [<ffffffff81616374>] fib6_rule_lookup+0x44/0x80 [ 80.145172] [<ffffffff815ef320>] ? ip6_pol_route_input+0x30/0x30 [ 80.145172] [<ffffffff815edea3>] ip6_route_output+0x73/0xb0 [ 80.145172] [<ffffffff815dfdf3>] ip6_dst_lookup_tail+0x2c3/0x2e0 [ 80.145172] [<ffffffff813007b1>] ? list_del+0x11/0x40 [ 80.145172] [<ffffffff81082a4c>] ? remove_wait_queue+0x3c/0x50 [ 80.145172] [<ffffffff815dfe4d>] ip6_dst_lookup_flow+0x3d/0xa0 [ 80.145172] [<ffffffff815fda77>] rawv6_sendmsg+0x267/0xc20 [ 80.145172] [<ffffffff815a8a83>] inet_sendmsg+0x63/0xb0 [ 80.145172] [<ffffffff8128eb93>] ? selinux_socket_sendmsg+0x23/0x30 [ 80.145172] [<ffffffff815218d6>] sock_sendmsg+0xa6/0xd0 [ 80.145172] [<ffffffff81524a68>] SYSC_sendto+0x128/0x180 [ 80.145172] [<ffffffff8109825c>] ? update_curr+0xec/0x170 [ 80.145172] [<ffffffff81041d09>] ? kvm_clock_get_cycles+0x9/0x10 [ 80.145172] [<ffffffff810afd1e>] ? __getnstimeofday+0x3e/0xd0 [ 80.145172] [<ffffffff8152509e>] SyS_sendto+0xe/0x10 [ 80.145172] [<ffffffff8164efd9>] system_call_fastpath+0x16/0x1b [ 80.145172] Code: fe ff ff 41 f6 45 2a 06 0f 85 ca fe ff ff 49 8b 7e 08 4c 89 ee e8 94 ef ff ff e9 b9 fe ff ff 48 8b 82 28 05 00 00 e9 01 ff ff ff <0f> 0b 49 8b 54 24 30 0d 00 00 40 00 89 83 14 01 00 00 48 89 53 [ 80.145172] RIP [<ffffffff815f3b5d>] fib6_add+0x75d/0x830 [ 80.145172] RSP <ffff880118771798> [ 80.387413] ---[ end trace 02f20b7a8b81ed95 ]--- [ 80.390154] Kernel panic - not syncing: Fatal exception in interrupt Cc: Nicolas Dichtel <[email protected]> Cc: YOSHIFUJI Hideaki <[email protected]> Signed-off-by: Hannes Frederic Sowa <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-10Revert "Makefile: Fix install error with make -j option"Linus Torvalds1-1/+1
This reverts commit d2aae8477cd00325bb7c7c7e95be488088900c48. It is completely and utterly broken. Module install should not build any files, and adding broken dependencies to "help" it build files is complete and utter sh*t. The kernel should not be built by root, and "make install" and "make module_install" (that for obvious reasons need to be run as root) absolutely must not build any files. They should only ever copy the already-built files over. So having dependencies for the install targets is wrong, wrong, wrong. If you try to install a kernel without building it first, you *should* get errors. The build system shouldn't try to help root build the files. Signed-off-by: Linus Torvalds <[email protected]>
2013-07-10macvtap: correctly linearize skb when zerocopy is usedJason Wang1-2/+6
Userspace may produce vectors greater than MAX_SKB_FRAGS. When we try to linearize parts of the skb to let the rest of iov to be fit in the frags, we need count copylen into linear when calling macvtap_alloc_skb() instead of partly counting it into data_len. Since this breaks zerocopy_sg_from_iovec() since its inner counter assumes nr_frags should be zero at beginning. This cause nr_frags to be increased wrongly without setting the correct frags. This bug were introduced from b92946e2919134ebe2a4083e4302236295ea2a73 (macvtap: zerocopy: validate vectors before building skb). Cc: Michael S. Tsirkin <[email protected]> Signed-off-by: Jason Wang <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-10tuntap: correctly linearize skb when zerocopy is usedJason Wang1-3/+6
Userspace may produce vectors greater than MAX_SKB_FRAGS. When we try to linearize parts of the skb to let the rest of iov to be fit in the frags, we need count copylen into linear when calling tun_alloc_skb() instead of partly counting it into data_len. Since this breaks zerocopy_sg_from_iovec() since its inner counter assumes nr_frags should be zero at beginning. This cause nr_frags to be increased wrongly without setting the correct frags. This bug were introduced from 0690899b4d4501b3505be069b9a687e68ccbe15b (tun: experimental zero copy tx support) Cc: Michael S. Tsirkin <[email protected]> Signed-off-by: Jason Wang <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-10ifb: fix rcu_sched self-detected stallsdingtianhong1-1/+3
According to the commit 16b0dc29c1af9df341428f4c49ada4f626258082 (dummy: fix rcu_sched self-detected stalls) Eric Dumazet fix the problem in dummy, but the ifb will occur the same problem like the dummy modules. Trying to "modprobe ifb numifbs=30000" triggers : INFO: rcu_sched self-detected stall on CPU After this splat, RTNL is locked and reboot is needed. We must call cond_resched() to avoid this, even holding RTNL. Signed-off-by: Ding Tianhong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-07-10ext4: fix warning in ext4_evict_inode()Jan Kara1-13/+19
The following race can lead to ext4_evict_inode() seeing i_ioend_count > 0 and thus triggering a sanity check warning: CPU1 CPU2 ext4_end_bio() ext4_evict_inode() ext4_finish_bio() end_page_writeback(); truncate_inode_pages() evict page WARN_ON(i_ioend_count > 0); ext4_put_io_end_defer() ext4_release_io_end() dec i_ioend_count This is possible use-after-free bug since we decrement i_ioend_count in possibly released inode. Since i_ioend_count is used only for sanity checks one possible solution would be to just remove it but for now I'd like to keep those sanity checks to help debugging the new ext4 writeback code. This patch changes ext4_end_bio() to call ext4_put_io_end_defer() before ext4_finish_bio() in the shortcut case when unwritten extent conversion isn't needed. In that case we don't need the io_end so we are safe to drop it early. Reported-by: Guenter Roeck <[email protected]> Tested-by: Guenter Roeck <[email protected]> Signed-off-by: Jan Kara <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]>
2013-07-10Merge tag 'kvm-3.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds4-2/+63
Pull more KVM changes from Gleb Natapov: "A fix for a bug that prevents some guests from working on old Intel CPUs and a patch that integrates ARM64 KVM, merged via ARM64 tree, into Kconfig." * tag 'kvm-3.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: VMX: mark unusable segment as nonpresent arm64: KVM: Kconfig integration
2013-07-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds8-17/+31
Pull Sparc bugfixes from David Miller: "Four bug fixes: 1) Enable snoop tags properly on Sparc32/LEON, from Andreas Larsson 2) strcpy() length check fix from Chen Gang. 3) Forgotten unregister_netdev() in sunvnet driver, from Dave Kleikamp. 4) Fix broken assembler offsets used in vm_area_struct accesses on sparc32, from Olivier DANET." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: [PATCH] sparc32: vm_area_struct access for old Sun SPARCs. sunvnet: vnet_port_remove must call unregister_netdev sparc32, leon: Require separate snoop tags set to regard snooping to be enabled arch: sparc: kernel: check the memory length before use strcpy().
2013-07-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ideLinus Torvalds5-53/+6
Pull IDE updates from David Miller: "Just a few small things: 1) module_platform_driver_probe() conversions from Jingoo Han. 2) module_pci_driver() conversion from Libo Chen. 3) PIO size calculation fix from Steven J Hill" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide: ide: Fix IDE PIO size calculation drivers/ide/delkin_cb: Convert to module_pci_driver ide: gayle: use module_platform_driver_probe() ide: tx4939ide: use module_platform_driver_probe() ide: tx4938ide: use module_platform_driver_probe()
2013-07-10Merge branch 'core-printk-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull printk locking fix from Thomas Gleixner: "A single lock ordering fix in the printk code" * 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: printk: Fix rq->lock vs logbuf_lock unlock lock inversion
2013-07-10Merge branch 'akpm' (patches from Andrew Morton)Linus Torvalds23-66/+1592
Merge more patches from Andrew Morton: "The rest of MM" * emailed patches from Andrew Morton <[email protected]>: mm: remove free_area_cache zswap: add documentation zswap: add to mm/ zbud: add to mm/
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