[PATCH 1/2] [media] vb2: Fix an off by one error in 'vb2_plane_vaddr'

[Christophe JAILLET]

We should ensure that 'plane_no' is '< vb->num_planes' as done in
'vb2_plane_cookie' just a few lines below.

Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
---
 drivers/media/v4l2-core/videobuf2-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/videobuf2-core.c 
b/drivers/media/v4l2-core/videobuf2-core.c
index 94afbbf92807..c0175ea7e7ad 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -868,7 +868,7 @@ EXPORT_SYMBOL_GPL(vb2_core_create_bufs);
 
 void *vb2_plane_vaddr(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, vaddr, vb->planes[plane_no].mem_priv);
-- 
2.11.0