diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-26 18:33:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-26 18:33:33 -0800 |
| commit | 2844a48706e54ddda4a04269dba4250b42f449de (patch) | |
| tree | deaf92b185ed33b86c5f6de225f0d16e39a94725 /fs/proc/base.c | |
| parent | 5687100aad982b7964f998886c282034b472653d (diff) | |
| parent | aa10990e028cac3d5e255711fb9fb47e00700e35 (diff) | |
Merge branch 'akpm' (Fixes from Andrew)
Merge misc fixes from Andrew Morton:
"8 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (8 patches)
futex: avoid wake_futex() for a PI futex_q
watchdog: using u64 in get_sample_period()
writeback: put unused inodes to LRU after writeback completion
mm: vmscan: check for fatal signals iff the process was throttled
Revert "mm: remove __GFP_NO_KSWAPD"
proc: check vma->vm_file before dereferencing
UAPI: strip the _UAPI prefix from header guards during header installation
include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 3c231adf8450..9e28356a959a 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1877,8 +1877,9 @@ static struct dentry *proc_map_files_lookup(struct inode *dir, if (!vma) goto out_no_vma; - result = proc_map_files_instantiate(dir, dentry, task, - (void *)(unsigned long)vma->vm_file->f_mode); + if (vma->vm_file) + result = proc_map_files_instantiate(dir, dentry, task, + (void *)(unsigned long)vma->vm_file->f_mode); out_no_vma: up_read(&mm->mmap_sem); |