[FFmpeg-devel] [PATCH] lavfi/unsharp: add missing NULL check

Stefano Sabatini stefasab at gmail.com
Sun Feb 17 11:57:26 CET 2013


On date Saturday 2013-02-16 01:06:14 +0100, Stefano Sabatini encoded:
> On date Friday 2013-02-15 19:15:50 +0000, Paul B Mahol encoded:
> > On 2/15/13, Stefano Sabatini <stefasab at gmail.com> wrote:
> > > ---
> > >  libavfilter/vf_unsharp.c |    3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
> > > index 51f44c8..e8f162b 100644
> > > --- a/libavfilter/vf_unsharp.c
> > > +++ b/libavfilter/vf_unsharp.c
> > > @@ -211,7 +211,8 @@ static int init_filter_param(AVFilterContext *ctx,
> > > FilterParam *fp, const char *
> > >             effect, effect_type, fp->msize_x, fp->msize_y, fp->amount /
> > > 65535.0);
> > >
> > >      for (z = 0; z < 2 * fp->steps_y; z++)
> > > -        fp->sc[z] = av_malloc(sizeof(*(fp->sc[z])) * (width + 2 *
> > > fp->steps_x));
> > > +        if (!(fp->sc[z] = av_malloc(sizeof(*(fp->sc[z])) * (width + 2 *
> > > fp->steps_x))))
> > > +            return AVERROR(ENOMEM);
> [...]
> 
> > Is leak possible? LGTM anyway.
> 
> In theory when configure() fails, uninit() is called and the allocated
> memory should be freed there.

Applied.
-- 
FFmpeg = Free Forgiving Most Programmable Earthshaking Gladiator


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