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(parent: 66eba38) | patch
mmap: check ->vm_ops before dereferencing
authorRik van Riel <riel@redhat.com>
Mon, 26 Apr 2010 16:33:03 +0000 (12:33 -0400)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 27 Apr 2010 15:26:51 +0000 (08:26 -0700)
commit20a6a3f7e6bfba129cb3a1232979e94d180bd3d2
treef1a1d3b449f275dd34ba34208704e92900032f9btree | snapshot
parent66eba3885310f85edecff029ec72c75c7f8dc947commit | diff
mmap: check ->vm_ops before dereferencing

Check whether the VMA has a vm_ops before calling close, just
like we check vm_ops before calling open a few dozen lines
higher up in the function.

Signed-off-by: Rik van Riel <riel@redhat.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/mmap.c diff | blob | history
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