diff options
author | Andrea Arcangeli <aarcange@redhat.com> | 2016-10-08 02:01:31 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-08 03:46:29 +0200 |
commit | 97a42cd4398162aba77da55b568d85e5ec6b7705 (patch) | |
tree | 238dd26c444f84c69169c38a26e2ecff8f95a8b7 | |
parent | mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk (diff) | |
download | linux-97a42cd4398162aba77da55b568d85e5ec6b7705.tar.xz linux-97a42cd4398162aba77da55b568d85e5ec6b7705.zip |
mm: vma_adjust: remove superfluous check for next not NULL
If next would be NULL we couldn't reach such code path.
Link: http://lkml.kernel.org/r/1474309513-20313-2-git-send-email-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Jan Vorlicek <janvorli@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | mm/mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index e53637f8ac42..aa29d43130b3 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -706,7 +706,7 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start, * If next doesn't have anon_vma, import from vma after * next, if the vma overlaps with it. */ - if (remove_next == 2 && next && !next->anon_vma) + if (remove_next == 2 && !next->anon_vma) exporter = next->vm_next; } else if (end > next->vm_start) { |