The driver uses "whole" fps in all its calculations (e.g. in load_per_instance()). Return -EINVAL if the user provides a parm that will result in 0 whole fps. Reported-by: Hans Verkuil <hverkuil@xxxxxxxxx> Closes: https://lore.kernel.org/linux-media/f11653a7-bc49-48cd-9cdb-1659147453e4@xxxxxxxxx/T/#m91cd962ac942834654f94c92206e2f85ff7d97f0 Fixes: aaaa93eda64b ("[media] media: venus: venc: add video encoder files") Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- drivers/media/platform/qcom/venus/venc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index c1c543535aaf..bd967d60c883 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -411,7 +411,7 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; do_div(us_per_frame, timeperframe->denominator); - if (!us_per_frame) + if (!us_per_frame || us_per_frame > USEC_PER_SEC) return -EINVAL; fps = (u64)USEC_PER_SEC; -- 2.47.1.613.gc27f4b7a9f-goog
