| Message ID | 20250106-fix-cocci-v4-2-3c8eb97995ba@chromium.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | media: Fix coccinelle warning/errors | expand |
On 06/01/2025 13:40, Ricardo Ribalda wrote: > 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@xs4all.nl> > Closes: https://lore.kernel.org/linux-media/f11653a7-bc49-48cd-9cdb-1659147453e4@xs4all.nl/T/#m91cd962ac942834654f94c92206e2f85ff7d97f0 > Fixes: 7472c1c69138 ("[media] media: venus: vdec: add video decoder files") > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> > --- > drivers/media/platform/qcom/venus/vdec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c > index 98c22b9f9372..25edd77b9cf9 100644 > --- a/drivers/media/platform/qcom/venus/vdec.c > +++ b/drivers/media/platform/qcom/venus/vdec.c > @@ -481,7 +481,7 @@ static int vdec_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; > Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 98c22b9f9372..25edd77b9cf9 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -481,7 +481,7 @@ static int vdec_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;
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@xs4all.nl> Closes: https://lore.kernel.org/linux-media/f11653a7-bc49-48cd-9cdb-1659147453e4@xs4all.nl/T/#m91cd962ac942834654f94c92206e2f85ff7d97f0 Fixes: 7472c1c69138 ("[media] media: venus: vdec: add video decoder files") Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/platform/qcom/venus/vdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)