V4L: fix videobof2 to correctly identify allocation failures

Commit Message

Guennadi Liakhovetski March 23, 2011, 10:01 a.m. UTC

None

Patch

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index 6698c77..71734a4 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -51,7 +51,7 @@  static int __vb2_buf_mem_alloc(struct vb2_buffer *vb,
 	for (plane = 0; plane < vb->num_planes; ++plane) {
 		mem_priv = call_memop(q, plane, alloc, q->alloc_ctx[plane],
 					plane_sizes[plane]);
-		if (!mem_priv)
+		if (IS_ERR_OR_NULL(mem_priv))
 			goto free;
 
 		/* Associate allocator private data with this plane */