Michael Niedermayer:
> Fixes: CID1583742 Unchecked return value
>
> Sponsored-by: Sovereign Tech Fund
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
> libavutil/hwcontext_drm.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/libavutil/hwcontext_drm.c b/libavutil/hwcontext_drm.c
> index 0847db09a08..e080c0597b8 100644
> --- a/libavutil/hwcontext_drm.c
> +++ b/libavutil/hwcontext_drm.c
> @@ -166,7 +166,10 @@ static int drm_map_frame(AVHWFramesContext *hwfc,
> #if HAVE_LINUX_DMA_BUF_H
> /* We're not checking for errors here because the kernel may not
> * support the ioctl, in which case its okay to carry on */
> - ioctl(desc->objects[i].fd, DMA_BUF_IOCTL_SYNC, &sync_start);
> + if (ioctl(desc->objects[i].fd, DMA_BUF_IOCTL_SYNC, &sync_start) ==
> -1) {
> + err = AVERROR(errno);
> + goto fail;
> + }
> #endif
> }
> map->nb_regions = i;
Did you read the comment above the code?
- Andreas
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