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2012-03-22btrfs: btrfs_drop_snapshot should return intJeff Mahoney4-8/+12
Commit cb1b69f4 (Btrfs: forced readonly when btrfs_drop_snapshot() fails) made btrfs_drop_snapshot return void because there were no callers checking the return value. That is the wrong order to handle error propogation since the caller will have no idea that an error has occured and continue on as if nothing went wrong. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: split extent_state opsJeff Mahoney3-15/+25
set_extent_bit can do exclusive locking but only when called by lock_extent*, Drop the exclusive bits argument except when called by lock_extent. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: drop gfp_t from lock_extentJeff Mahoney9-76/+63
lock_extent and unlock_extent are always called with GFP_NOFS, drop the argument and use GFP_NOFS consistently. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: return void in functions without error conditionsJeff Mahoney29-410/+293
Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: __add_reloc_root error push-upJeff Mahoney1-6/+16
This patch pushes kmalloc errors up to the caller and BUGs in the caller. The BUG_ON for duplicate reloc tree root insertion is replaced with a panic explaining the issue. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: ->submit_bio_hook error push-upJeff Mahoney3-15/+31
This pushes failures from the submit_bio_hook callbacks, btrfs_submit_bio_hook and btree_submit_bio_hook into the callers, including callers of submit_one_bio where it catches the failures with BUG_ON. It also pushes up through the ->readpage_io_failed_hook to end_bio_extent_writepage where the error is already caught with BUG_ON. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Factor out tree->ops->merge_bio_hook callJeff Mahoney2-5/+17
In submit_extent_page, there's a visually noisy if statement that, in the midst of other conditions, does the tree dependency for tree->ops and tree->ops->merge_bio_hook before calling it, and then another condition afterwards. If an error is returned from merge_bio_hook, there's no way to catch it. It's considered a routine "1" return value instead of a failure. This patch factors out the dependency check into a new local merge_bio routine and BUG's on an error. The if statement is less noisy as a side- effect. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Simplify btrfs_submit_bio_hookJeff Mahoney1-3/+4
btrfs_submit_bio_hook currently calls btrfs_bio_wq_end_io in either case of an if statement that determines one of the arguments. This patch moves the function call outside of the if statement and uses it to only determine the different argument. This allows us to catch an error in one place in a more visually obvious way. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: btrfs_update_root error push-upJeff Mahoney2-4/+7
btrfs_update_root BUG's when it can't alloc a path, yet it can recover from a search error. This patch returns -ENOMEM instead. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: find_and_setup_root error push-upJeff Mahoney1-5/+6
find_and_setup_root BUGs when it encounters an error from btrfs_find_last_root, which can occur if a path can't be allocated. This patch pushes it up to its callers where it is already handled. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Remove set bits return from clear_extent_bitJeff Mahoney1-7/+5
There is only one caller of clear_extent_bit that checks the return value and it only checks if it's negative. Since there are no users of the returned bits functionality of clear_extent_bit, stop returning it and avoid complicating error handling. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: avoid NULL deref in btrfs_reserve_extent with DEBUG_ENOSPCJeff Mahoney1-1/+2
__find_space_info can return NULL but we don't check it before calling dump_space_info(). Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: clean_tree_block should panic on observed memory corruption and ↵Jeff Mahoney2-7/+12
return void The only error condition in clean_tree_block is an accounting bug. Returning without modifying dirty_metadata_bytes and as if the cleaning as been performed may cause problems later so it should panic instead. It should probably be a BUG_ON but we have btrfs_panic now. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Simplify btrfs_insert_rootJeff Mahoney1-6/+3
btrfs_insert_root is just a wrapper for btrfs_insert_item. Just return the error directly. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Fix kfree of member instead of structureJeff Mahoney1-3/+3
Correctness fix: The kfree calls in the add_delayed_* functions free the node that's passed into it, but the node is a member of another structure. It works because it's always the first member of the containing structure, but it should really be using the containing structure itself. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Panic on bad rbtree operationsJeff Mahoney2-9/+39
The ordered data and relocation trees have BUG_ONs to protect against bad tree operations. This patch replaces them with a panic that will report the problem. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Catch locking failures in {set,clear,convert}_extent_bitJeff Mahoney1-20/+38
The *_state functions can only return 0 or -EEXIST. This patch addresses the cases where those functions returning -EEXIST represent a locking failure. It handles them by panicking with an appropriate error message. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-22btrfs: Add btrfs_panic()Jeff Mahoney2-1/+60
As part of the effort to eliminate BUG_ON as an error handling technique, we need to determine which errors are actual logic errors, which are on-disk corruption, and which are normal runtime errors e.g. -ENOMEM. Annotating these error cases is helpful to understand and report them. This patch adds a btrfs_panic() routine that will either panic or BUG depending on the new -ofatal_errors={panic,bug} mount option. Since there are still so many BUG_ONs, it defaults to BUG for now but I expect that to change once the error handling effort has made significant progress. Signed-off-by: Jeff Mahoney <[email protected]>
2012-03-18Linux 3.3Linus Torvalds1-1/+1
2012-03-18Don't limit non-nested epoll pathsJason Baron1-0/+4
Commit 28d82dc1c4ed ("epoll: limit paths") that I did to limit the number of possible wakeup paths in epoll is causing a few applications to longer work (dovecot for one). The original patch is really about limiting the amount of epoll nesting (since epoll fds can be attached to other fds). Thus, we probably can allow an unlimited number of paths of depth 1. My current patch limits it at 1000. And enforce the limits on paths that have a greater depth. This is captured in: https://bugzilla.redhat.com/show_bug.cgi?id=681578 Signed-off-by: Jason Baron <[email protected]> Cc: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds8-64/+57
Pull networking changes from David Miller: "1) icmp6_dst_alloc() returns NULL instead of ERR_PTR() leading to crashes, particularly during shutdown. Reported by Dave Jones and fixed by Eric Dumazet. 2) hyperv and wimax/i2400m return NETDEV_TX_BUSY when they have already freed the SKB, which causes crashes as to the caller this means requeue the packet. Fixes from Eric Dumazet. 3) usbnet driver doesn't allocate the right amount of headroom on fresh RX SKBs, fix from Eric Dumazet. 4) Fix regression in ip6_mc_find_dev_rcu(), as an RCU lookup it abolutely should not take a reference to 'dev', this leads to leaks. Fix from RonQing Li. 5) Fix netfilter ctnetlink race between delete and timeout expiration. From Pablo Neira Ayuso. 6) Revert SFQ change which causes regressions, specifically queueing to tail can lead to unavoidable flow starvation. From Eric Dumazet. 7) Fix a memory leak and a crash on corrupt firmware files in bnx2x, from Michal Schmidt." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: netfilter: ctnetlink: fix race between delete and timeout expiration ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. wimax/i2400m: fix erroneous NETDEV_TX_BUSY use net/hyperv: fix erroneous NETDEV_TX_BUSY use net/usbnet: reserve headroom on rx skbs bnx2x: fix memory leak in bnx2x_init_firmware() bnx2x: fix a crash on corrupt firmware file sch_sfq: revert dont put new flow at the end of flows ipv6: fix icmp6_dst_alloc()
2012-03-17Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds13-33/+48
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools, x86: Build perf on older user-space as well perf tools: Use scnprintf where applicable perf tools: Incorrect use of snprintf results in SEGV
2012-03-17netfilter: ctnetlink: fix race between delete and timeout expirationPablo Neira Ayuso1-11/+12
Kerin Millar reported hardlockups while running `conntrackd -c' in a busy firewall. That system (with several processors) was acting as backup in a primary-backup setup. After several tries, I found a race condition between the deletion operation of ctnetlink and timeout expiration. This patch fixes this problem. Tested-by: Kerin Millar <[email protected]> Reported-by: Kerin Millar <[email protected]> Signed-off-by: Pablo Neira Ayuso <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.RongQing.Li1-1/+0
ip6_mc_find_dev_rcu() is called with rcu_read_lock(), so don't need to dev_hold(). With dev_hold(), not corresponding dev_put(), will lead to leak. [ bug introduced in 96b52e61be1 (ipv6: mcast: RCU conversions) ] Signed-off-by: RongQing.Li <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16Merge branch 'akpm' (more patches from Andrew)Linus Torvalds1-0/+7
Merge some more email patches from Andrew Morton: "A couple of nilfs fixes" * emailed from Andrew Morton <[email protected]>: nilfs2: fix NULL pointer dereference in nilfs_load_super_block() nilfs2: clamp ns_r_segments_percentage to [1, 99]
2012-03-16nilfs2: fix NULL pointer dereference in nilfs_load_super_block()Ryusuke Konishi1-0/+1
According to the report from Slicky Devil, nilfs caused kernel oops at nilfs_load_super_block function during mount after he shrank the partition without resizing the filesystem: BUG: unable to handle kernel NULL pointer dereference at 00000048 IP: [<d0d7a08e>] nilfs_load_super_block+0x17e/0x280 [nilfs2] *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP ... Call Trace: [<d0d7a87b>] init_nilfs+0x4b/0x2e0 [nilfs2] [<d0d6f707>] nilfs_mount+0x447/0x5b0 [nilfs2] [<c0226636>] mount_fs+0x36/0x180 [<c023d961>] vfs_kern_mount+0x51/0xa0 [<c023ddae>] do_kern_mount+0x3e/0xe0 [<c023f189>] do_mount+0x169/0x700 [<c023fa9b>] sys_mount+0x6b/0xa0 [<c04abd1f>] sysenter_do_call+0x12/0x28 Code: 53 18 8b 43 20 89 4b 18 8b 4b 24 89 53 1c 89 43 24 89 4b 20 8b 43 20 c7 43 2c 00 00 00 00 23 75 e8 8b 50 68 89 53 28 8b 54 b3 20 <8b> 72 48 8b 7a 4c 8b 55 08 89 b3 84 00 00 00 89 bb 88 00 00 00 EIP: [<d0d7a08e>] nilfs_load_super_block+0x17e/0x280 [nilfs2] SS:ESP 0068:ca9bbdcc CR2: 0000000000000048 This turned out due to a defect in an error path which runs if the calculated location of the secondary super block was invalid. This patch fixes it and eliminates the reported oops. Reported-by: Slicky Devil <[email protected]> Signed-off-by: Ryusuke Konishi <[email protected]> Tested-by: Slicky Devil <[email protected]> Cc: <[email protected]> [2.6.30+] Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-16nilfs2: clamp ns_r_segments_percentage to [1, 99]Haogang Chen1-0/+6
ns_r_segments_percentage is read from the disk. Bogus or malicious value could cause integer overflow and malfunction due to meaningless disk usage calculation. This patch reports error when mounting such bogus volumes. Signed-off-by: Haogang Chen <[email protected]> Signed-off-by: Ryusuke Konishi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-16Merge branch 'for-linus' of ↵Linus Torvalds1-0/+8
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull maintainer update from James Morris: "Please pull this patch which adds Serge as maintainer of the capabilities code, as discussed on lwn and the lsm list. New capabilities must be signed off by the maintainer, and new uses of any capabilities should at be cc'd to the maintainer." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: MAINTAINERS: Add Serge as maintainer of capabilities
2012-03-16Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreamingLinus Torvalds1-27/+0
Pull c6x bugfix from Mark Salter: "Remove dead code from entry.S which causes a build failure when using a newer assembler (v2.22 complains about it, v2.20 ignores it)." * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: C6X: remove dead code from entry.S
2012-03-16afs: Remote abort can cause BUG in rxrpc codeAnton Blanchard1-0/+3
When writing files to afs I sometimes hit a BUG: kernel BUG at fs/afs/rxrpc.c:179! With a backtrace of: afs_free_call afs_make_call afs_fs_store_data afs_vnode_store_data afs_write_back_from_locked_page afs_writepages_region afs_writepages The cause is: ASSERT(skb_queue_empty(&call->rx_queue)); Looking at a tcpdump of the session the abort happens because we are exceeding our disk quota: rx abort fs reply store-data error diskquota exceeded (32) So the abort error is valid. We hit the BUG because we haven't freed all the resources for the call. By freeing any skbs in call->rx_queue before calling afs_free_call we avoid hitting leaking memory and avoid hitting the BUG. Signed-off-by: Anton Blanchard <[email protected]> Signed-off-by: David Howells <[email protected]> Cc: <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-16afs: Read of file returns EBADMSGAnton Blanchard1-1/+1
A read of a large file on an afs mount failed: # cat junk.file > /dev/null cat: junk.file: Bad message Looking at the trace, call->offset wrapped since it is only an unsigned short. In afs_extract_data: _enter("{%u},{%zu},%d,,%zu", call->offset, len, last, count); ... if (call->offset < count) { if (last) { _leave(" = -EBADMSG [%d < %zu]", call->offset, count); return -EBADMSG; } Which matches the trace: [cat ] ==> afs_extract_data({65132},{524},1,,65536) [cat ] <== afs_extract_data() = -EBADMSG [0 < 65536] call->offset went from 65132 to 0. Fix this by making call->offset an unsigned int. Signed-off-by: Anton Blanchard <[email protected]> Signed-off-by: David Howells <[email protected]> Cc: <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-16C6X: remove dead code from entry.SMark Salter1-27/+0
The ENDPROC() on sys_fadvise64_c6x() in arch/c6x/kernel/entry.S is outside of the conditional block with the matching ENTRY() macro. This leads a newer (v2.22 vs. v2.20) assembler to complain: /tmp/ccGZBaPT.s: Assembler messages: /tmp/ccGZBaPT.s: Error: .size expression for sys_fadvise64_c6x does not evaluate to a constant The conditional block became dead code when c6x switched to generic unistd.h and should be removed along with the offending ENDPROC(). Signed-off-by: Mark Salter <[email protected]> Acked-by: David Howells <[email protected]>
2012-03-16wimax/i2400m: fix erroneous NETDEV_TX_BUSY useEric Dumazet1-20/+10
A driver start_xmit() method cannot free skb and return NETDEV_TX_BUSY, since caller is going to reuse freed skb. In fact netif_tx_stop_queue() / netif_stop_queue() is needed before returning NETDEV_TX_BUSY or you can trigger a ksoftirqd fatal loop. In case of memory allocation error, only safe way is to drop the packet and return NETDEV_TX_OK Also increments tx_dropped counter Signed-off-by: Eric Dumazet <[email protected]> Cc: Inaky Perez-Gonzalez <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16net/hyperv: fix erroneous NETDEV_TX_BUSY useEric Dumazet1-2/+2
A driver start_xmit() method cannot free skb and return NETDEV_TX_BUSY, since caller is going to reuse freed skb. This is mostly a revert of commit bf769375c (staging: hv: fix the return status of netvsc_start_xmit()) In fact netif_tx_stop_queue() / netif_stop_queue() is needed before returning NETDEV_TX_BUSY or you can trigger a ksoftirqd fatal loop. In case of memory allocation error, only safe way is to drop the packet and return NETDEV_TX_OK Signed-off-by: Eric Dumazet <[email protected]> Cc: "K. Y. Srinivasan" <[email protected]> Cc: Haiyang Zhang <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Reviewed-by: Haiyang Zhang <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16net/usbnet: reserve headroom on rx skbsEric Dumazet1-2/+2
network drivers should reserve some headroom on incoming skbs so that we dont need expensive reallocations, eg forwarding packets in tunnels. This NET_SKB_PAD padding is done in various helpers, like __netdev_alloc_skb_ip_align() in this patch, combining NET_SKB_PAD and NET_IP_ALIGN magic. Signed-off-by: Eric Dumazet <[email protected]> Cc: Oliver Neukum <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Acked-by: Oliver Neukum <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16bnx2x: fix memory leak in bnx2x_init_firmware()Michal Schmidt1-26/+24
When cycling the interface down and up, bnx2x_init_firmware() knows that the firmware is already loaded, but nevertheless it allocates certain arrays anew (init_data, init_ops, init_ops_offsets, iro_arr). The old arrays are leaked. Fix the leaks by returning early if the firmware was already loaded. Because if the firmware is loaded, so are the arrays. Signed-off-by: Michal Schmidt <[email protected]> Acked-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16bnx2x: fix a crash on corrupt firmware fileMichal Schmidt1-0/+1
If the requested firmware is deemed corrupt and then released, reset the pointer to NULL in order to avoid double-freeing it in bnx2x_release_firmware() or dereferencing it in bnx2x_init_firmware(). Signed-off-by: Michal Schmidt <[email protected]> Acked-by: Eilon Greenstein <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16sch_sfq: revert dont put new flow at the end of flowsEric Dumazet1-1/+5
This reverts commit d47a0ac7b6 (sch_sfq: dont put new flow at the end of flows) As Jesper found out, patch sounded great but has bad side effects. In stress situation, pushing new flows in front of the queue can prevent old flows doing any progress. Packets can stay in SFQ queue for unlimited amount of time. It's possible to add heuristics to limit this problem, but this would add complexity outside of SFQ scope. A more sensible answer to Dave Taht concerns (who reported the issued I tried to solve in original commit) is probably to use a qdisc hierarchy so that high prio packets dont enter a potentially crowded SFQ qdisc. Reported-by: Jesper Dangaard Brouer <[email protected]> Cc: Dave Taht <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16ipv6: fix icmp6_dst_alloc()Eric Dumazet1-1/+1
commit 87a115783 ( ipv6: Move xfrm_lookup() call down into icmp6_dst_alloc().) forgot to convert one error path, leading to crashes in mld_sendpack() Many thanks to Dave Jones for providing a very complete bug report. Reported-by: Dave Jones <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-03-16MAINTAINERS: Add Serge as maintainer of capabilitiesJames Morris1-0/+8
Add Serge as maintainer of capabilities, per suggestion on LWN: http://lwn.net/Articles/486306/ Signed-off-by: James Morris <[email protected]>
2012-03-15Merge branch 'akpm' (Andrew's patch-bomb)Linus Torvalds5-27/+92
Merge patches from Andrew Morton: "Nine patches - some bug fixes and some MAINTAINERS fiddling." * emailed from Andrew Morton <[email protected]>: drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode MAINTAINERS: add entry for exynos mipi display drivers MAINTAINERS: fix link to Gustavo Padovans tree MAINTAINERS: add Johan to Bluetooth maintainers MAINTAINERS: Gustavo has moved prctl: use CAP_SYS_RESOURCE for PR_SET_MM option rapidio/tsi721: fix bug in register offset definitions MAINTAINERS: update ST's Mailing list for SPEAr memcg: free mem_cgroup by RCU to fix oops
2012-03-15Merge branch 'i2c-for-linus' of ↵Linus Torvalds2-5/+15
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging Pull i2c subsystem fixes from Jean Delvare. * 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c-algo-bit: Fix spurious SCL timeouts under heavy load i2c-core: Comment says "transmitted" but means "received"
2012-03-15Merge tag 'hwmon-for-linus' of ↵Linus Torvalds4-28/+24
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck. * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (zl6100) Enable interval between chip accesses for all chips hwmon: (w83627ehf) Describe undocumented pwm attributes hwmon: (w83627ehf) Fix temp2 source for W83627UHG hwmon: (w83627ehf) Fix memory leak in probe function hwmon: (w83627ehf) Fix writing into fan_stop_time for NCT6775F/NCT6776F
2012-03-15Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds7-51/+21
Pull drm exynos/intel updates from Dave Airlie: "Two minor updates from Jesse for Intel SNB fixes, and a few fixes from Samsung for exynos. The pull req has Alan's commit in it since Intel based their tree on my tree at that time, but it all seems fine wrt merging." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm exynos: use drm_fb_helper_set_par directly drm/exynos: Fix fb_videomode <-> drm_mode_modeinfo conversion drm/exynos: fix runtime_pm fimd device state on probe drm/exynos: use correct 'exynos-drm' name for platform device drm/i915: support 32 bit BGR formats in sprite planes drm/i915: fix color order for BGR formats on SNB drm/gma500: Fix Cedarview boot failures in 3.3-rc
2012-03-15Merge branch 'v4l_for_linus' of ↵Linus Torvalds3-14/+128
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: "For 4 fixes for 3.3 (all trivial): - uvc video driver: fixes a division by zero; - davinci: add module.h to fix compilation; - smsusb: fix the delivery system setting; - smsdvb: the get_frontend implementation there is broken. The smsdvb patch has 127 lines, but it is trivial: instead of returning a cache of the set_frontend (with is wrong, as it doesn't have the updated values for the data, and the implementation there is buggy), it copies the information of the detected DVB parameters from the smsdvb private structures into the corresponding DVBv5 struct fields." * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] smsdvb: fix get_frontend [media] smsusb: fix the default delivery system setting [media] media: davinci: added module.h to resolve unresolved macros [media] [FOR,v3.3] uvcvideo: Avoid division by 0 in timestamp calculation
2012-03-15Merge branch '3.3-urgent' of ↵Linus Torvalds3-13/+24
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull target fixes from Nicholas Bellinger: "This series addresses two recently reported regression bugs related to legacy SCSI reservation usage in target core, and iscsi-target reservation conflict handling. The second patch in particular addresses possible data-corruption with SCSI reservations that is specific to iscsi-target fabric LUNs with multiple client writers. Both patches need to go into v3.2 stable ASAP, and the branch based on the last target-pending/3.3-rc-fixes HEAD. Again, thanks to Martin Svec for his help to identify and address this regression bug with iscsi-target." * '3.3-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: iscsi-target: Fix reservation conflict -EBUSY response handling bug target: Fix compatible reservation handling (CRH=1) with legacy RESERVE/RELEASE
2012-03-15drivers/video/backlight/s6e63m0.c: fix corruption storing gamma modeDan Carpenter1-1/+1
strict_strtoul() writes a long but ->gamma_mode only has space to store an int, so on 64 bit systems we end up scribbling over ->gamma_table_count as well. I've changed it to use kstrtouint() instead. Signed-off-by: Dan Carpenter <[email protected]> Acked-by: Inki Dae <[email protected]> Signed-off-by: Florian Tobias Schandinat <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-15MAINTAINERS: add entry for exynos mipi display driversDonghwa Lee1-0/+9
I'd like to add Inki Dae, Donghwa Lee and Kyungmin Park as maintainers who developers for exynos mipi display drivers for video/driver/exynos/exynos_mipi* and include/video/exynos_mipi*. Signed-off-by: Donghwa Lee <[email protected]> Signed-off-by: Inki Dae <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> Cc: Florian Tobias Schandinat <[email protected]> Cc: Richard Purdie <[email protected]> Cc: Kukjin Kim <[email protected]> Cc: Jingoo Han <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-15MAINTAINERS: fix link to Gustavo Padovans treeJohan Hedberg1-2/+2
Gustavo's tree is called just bluetooth.git and not bluetooth-2.6.git anymore. Signed-off-by: Johan Hedberg <[email protected]> Cc: Marcel Holtmann <[email protected]> Cc: "Gustavo F. Padovan" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-03-15MAINTAINERS: add Johan to Bluetooth maintainersJohan Hedberg1-0/+4
I've been coordinating Bluetooth patches in my tree for some time and it's possible I'll do it in the future too, so add myself to the Bluetooth sections as well as mention my tree there. Signed-off-by: Johan Hedberg <[email protected]> Cc: Marcel Holtmann <[email protected]> Cc: "Gustavo F. Padovan" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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