diff options
| author | David Howells <dhowells@redhat.com> | 2012-02-23 14:51:00 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-02-24 17:59:04 +0100 |
| commit | b94cfaf6685d691dc3fab023cf32f65e9b7be09c (patch) | |
| tree | 89770f0bfa2bc81f928627648afa2a8bd0283afe | |
| parent | NOMMU: Lock i_mmap_mutex for access to the VMA prio list (diff) | |
| download | linux-b94cfaf6685d691dc3fab023cf32f65e9b7be09c.tar.xz linux-b94cfaf6685d691dc3fab023cf32f65e9b7be09c.zip | |
NOMMU: Don't need to clear vm_mm when deleting a VMA
Don't clear vm_mm in a deleted VMA as it's unnecessary and might
conceivably break the filesystem or driver VMA close routine.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/nommu.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index ee7e57ebef6a..f59e170fceb4 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -779,8 +779,6 @@ static void delete_vma_from_mm(struct vm_area_struct *vma) if (vma->vm_next) vma->vm_next->vm_prev = vma->vm_prev; - - vma->vm_mm = NULL; } /* |