tjh.dev / kernel
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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>

authored by

David Howells and committed by
Linus Torvalds b94cfaf6 918e556e

-2
-2
mm/nommu.c
··· 779 779 780 780 if (vma->vm_next) 781 781 vma->vm_next->vm_prev = vma->vm_prev; 782 - 783 - vma->vm_mm = NULL; 784 782 } 785 783 786 784 /*