commit 3fcd03e07008ec0f667dfb7626171165699ea5c2
author Gavin Lambert <gavinl@compacsort.com> Sat Sep 30 23:27:01 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Sun Oct 01 00:39:17 2006 -0700
tree 311370abb953013b7ffa458b63b376706560061e
parent ab8e92efcf3f7972f30033cad75f180aef4f3abc

[PATCH] NOMMU: don't try and give NULL to fput()

Don't try and give NULL to fput() in the error handling in do_mmap_pgoff()
as it'll cause an oops.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/nommu.c

diff --git a/mm/nommu.c b/mm/nommu.c
index 5645406..3650195 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -948,7 +948,8 @@
 	up_write(&nommu_vma_sem);
 	kfree(vml);
 	if (vma) {
-		fput(vma->vm_file);
+		if (vma->vm_file)
+			fput(vma->vm_file);
 		kfree(vma);
 	}
 	return ret;