Add buffer length check to sanity checks for USERPTR QBUF
Signed-off-by: Michael Jones <[email protected]>
---
Changes for v2:
- only check when V4L2_MEMORY_USERPTR
drivers/media/video/omap3isp/ispqueue.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/omap3isp/ispqueue.c
b/drivers/media/video/omap3isp/ispqueue.c
index 9c31714..9bebb1e 100644
--- a/drivers/media/video/omap3isp/ispqueue.c
+++ b/drivers/media/video/omap3isp/ispqueue.c
@@ -868,6 +868,10 @@ int omap3isp_video_queue_qbuf(struct isp_video_queue
*queue,
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);
buf->vbuf.m.userptr = vbuf->m.userptr;
--
1.7.6
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