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avcodec/v4l2_m2m: Check if the file descriptor is valid before closing 

Fixes ticket #9507.

Reviewed-by: Steven Liu <liuqi05@kuaishou.com>
Signed-off-by: wujian_nanjing <wujian2@huawei.com>
This commit is contained in:
Wujian(Chin) 2022-06-28 11:15:12 +00:00 committed by Steven Liu
parent bf13a177d2
commit 26e7d7b14e
1 changed files with 2 additions and 1 deletions
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3
libavcodec/v4l2_m2m.c
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@ -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);