From 3fcd03e07008ec0f667dfb7626171165699ea5c2 Mon Sep 17 00:00:00 2001
From: Gavin Lambert <gavinl@compacsort.com>
Date: Sat, 30 Sep 2006 23:27:01 -0700
Subject: [PATCH] [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 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/nommu.c b/mm/nommu.c
index 56454066219..365019599df 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -948,7 +948,8 @@ unsigned long do_mmap_pgoff(struct file *file,
 	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;
-- 
2.20.1