From 6655878923d628529d354a9a3a64b27ede2f9774 Mon Sep 17 00:00:00 2001 From: Zhaowei Yuan Date: Wed, 20 Aug 2014 15:39:30 +0800 Subject: vb2: fix plane index sanity check in vb2_plane_cookie() It's also invalid that plane_no equals to vb->num_planes Change-Id: Icb11d9d5712f79d67ba2132e78fd4e90f91fef6a Signed-off-by: Zhaowei Yuan --- drivers/media/v4l2-core/videobuf2-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 2e85fb4e031..9c2c1856489 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1128,7 +1128,7 @@ EXPORT_SYMBOL_GPL(vb2_plane_vaddr); */ void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no) { - if (plane_no > vb->num_planes || !vb->planes[plane_no].mem_priv) + if (plane_no >= vb->num_planes || !vb->planes[plane_no].mem_priv) return NULL; return call_ptr_memop(vb, cookie, vb->planes[plane_no].mem_priv); -- cgit v1.2.3