diff --git a/[refs] b/[refs]
index e09e54a90862..0bfdfdc09bc2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 28318c72adc14952d05d8037d73cec852247791c
+refs/heads/master: c520a4970c7e5f18275ef935372e56eabd6d0e44
diff --git a/trunk/drivers/media/video/videobuf-vmalloc.c b/trunk/drivers/media/video/videobuf-vmalloc.c
index 993d5285e18e..6ef4f523689a 100644
--- a/trunk/drivers/media/video/videobuf-vmalloc.c
+++ b/trunk/drivers/media/video/videobuf-vmalloc.c
@@ -372,6 +372,7 @@ void videobuf_vmalloc_free (struct videobuf_buffer *buf)
 	MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM);
 
 	vfree(mem->vmalloc);
+	mem->vmalloc=NULL;
 
 	return;
 }