NOMMU: Don't need to clear vm_mm when deleting a VMA · b94cfaf668 - Gogs

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>

David Howells 13 years ago

parent

918e556ec2

commit

b94cfaf668

1 changed files with 0 additions and 2 deletions

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							+ 0
							
							- 2
						
mm/nommu.c
							 
								View File
							
				@@ -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;
			
				 }
			
				 /*