Re: [FFmpeg-devel] [PATCH] avcodec/v4l2_m2m: Check if the file descriptor is valid before closing

[Steven Liu <lingjiujianke@gmail.com>]

Wujian(Chin) <wujian2@huawei.com> 于2022年6月28日周二 19:15写道：

>
> Fixes ticket #9507.
>
> Signed-off-by: wujian_nanjing <wujian2@huawei.com>
> ---
>  libavcodec/v4l2_m2m.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/v4l2_m2m.c b/libavcodec/v4l2_m2m.c
> index 51932ba..9849360 100644
> --- a/libavcodec/v4l2_m2m.c
> +++ b/libavcodec/v4l2_m2m.c
> @@ -251,7 +251,8 @@ static void v4l2_m2m_destroy_context(void *opaque, uint8_t *context)
>      ff_v4l2_context_release(&s->capture);
>      sem_destroy(&s->refsync);
>
> -    close(s->fd);
> +    if (s->fd >= 0)
> +        close(s->fd);
>      av_frame_unref(s->frame);
>      av_frame_free(&s->frame);
>      av_packet_unref(&s->buf_pkt);
> --
> 2.7.4
>
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Applied


Thanks
Steven
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