From 5ab215ee7f902201d4830b0b9536135143666b42 Mon Sep 17 00:00:00 2001 From: Jacob Chen Date: Thu, 21 Sep 2017 19:09:21 +0800 Subject: media: videobuf2: quick fix for dmabuf type It's a bug in 4.4 kernel Change-Id: I38807830d1a4289af65ebaed9c9ab179d2328827 Signed-off-by: Jacob Chen --- drivers/media/v4l2-core/videobuf2-v4l2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 9632f378a4ad..82d2ca6308d4 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -105,6 +105,9 @@ static int __verify_length(struct vb2_buffer *vb, const struct v4l2_buffer *b) length = (b->memory == VB2_MEMORY_USERPTR) ? b->length : vb->planes[0].length; + if (b->memory == VB2_MEMORY_DMABUF) + return 0; + if (b->bytesused > length) return -EINVAL; } -- cgit v1.2.3