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lavc/v4l2_m2m: don't close the file descriptor we don't own 

ff_v4l2_m2m_create_context initialized V4L2m2mContext.fd to 0
which is a valid file descriptor value. Next ff_v4l2_m2m_codec_init
failed and v4l2_m2m_destroy_context closed file descriptor 0 even
though it didn't belong to V4L2m2mContext.

Signed-off-by: Pavel Koshevoy <pkoshevoy@gmail.com>
This commit is contained in:
Pavel Koshevoy 2019-09-02 00:34:35 -06:00
parent 7ea2710ec4
commit 6b57a294a3
1 changed files with 1 additions and 0 deletions
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libavcodec/v4l2_m2m.c
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@ -401,6 +401,7 @@ int ff_v4l2_m2m_create_context(AVCodecContext *avctx, V4L2m2mContext **s)
priv->context->capture.num_buffers = priv->num_capture_buffers;
priv->context->output.num_buffers = priv->num_output_buffers;
priv->context->self_ref = priv->context_ref;
priv->context->fd = -1;
return 0;
}