[FFmpeg-devel] [PATCH 1/5] avformat/udp: add memory alloc checks

[lance.lmwang at gmail.com]

On Wed, Jan 06, 2021 at 09:39:17PM +0100, Marton Balint wrote:
> 
> 
> On Wed, 6 Jan 2021, lance.lmwang at gmail.com wrote:
> 
> > From: Limin Wang <lance.lmwang at gmail.com>
> > 
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> > libavformat/udp.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> > 
> > diff --git a/libavformat/udp.c b/libavformat/udp.c
> > index 13c346a..d33e4d6 100644
> > --- a/libavformat/udp.c
> > +++ b/libavformat/udp.c
> > @@ -892,6 +892,10 @@ static int udp_open(URLContext *h, const char *uri, int flags)
> > 
> >         /* start the task going */
> >         s->fifo = av_fifo_alloc(s->circular_buffer_size);
> > +        if (!s->fifo) {
> > +            av_log(h, AV_LOG_ERROR, "av_fifo_alloc failed\n");
> > +            goto fail;
> > +        }
> 
> This looks good in principal, but I'd rather not log error messages for
> simple ENOMEM cases. I'd perfer if you could forward the ENOMEM error as a
> function return value and remove the error message.

OK, I'll had to change more code and return the error code for the function first.

> 
> Thanks,
> Marton
> 
> >         ret = pthread_mutex_init(&s->mutex, NULL);
> >         if (ret != 0) {
> >             av_log(h, AV_LOG_ERROR, "pthread_mutex_init failed : %s\n", strerror(ret));
> > -- 
> > 1.8.3.1
> > 
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-- 
Thanks,
Limin Wang