From 61e6561fae573c3c618118a71ff966ddb14299da Mon Sep 17 00:00:00 2001 From: Michael Jones Date: Tue, 9 Aug 2011 08:42:20 +0200 Subject: [PATCH] [media] omap3isp: queue: fail QBUF if user buffer is too small Add buffer length check to sanity checks for USERPTR QBUF. Signed-off-by: Michael Jones Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/omap3isp/ispqueue.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/omap3isp/ispqueue.c b/drivers/media/video/omap3isp/ispqueue.c index 9c317148205f..9bebb1e57aab 100644 --- a/drivers/media/video/omap3isp/ispqueue.c +++ b/drivers/media/video/omap3isp/ispqueue.c @@ -867,6 +867,10 @@ int omap3isp_video_queue_qbuf(struct isp_video_queue *queue, if (buf->state != ISP_BUF_STATE_IDLE) goto done; + if (vbuf->memory == V4L2_MEMORY_USERPTR && + vbuf->length < buf->vbuf.length) + goto done; + if (vbuf->memory == V4L2_MEMORY_USERPTR && vbuf->m.userptr != buf->vbuf.m.userptr) { isp_video_buffer_cleanup(buf);