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Code Issues Releases Activity

avfilter/af_afffilt: fix crash on error

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This commit is contained in:
Paul B Mahol 2020-02-09 15:42:48 +01:00
parent 283e755734
commit 2174a315b4
1 changed files with 7 additions and 4 deletions
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11
libavfilter/af_afftfilt.c
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@ -176,13 +176,13 @@ static int config_input(AVFilterLink *inlink)
ret = av_expr_parse(&s->real[ch], arg ? arg : last_expr, var_names, ret = av_expr_parse(&s->real[ch], arg ? arg : last_expr, var_names,
NULL, NULL, func2_names, func2, 0, ctx); NULL, NULL, func2_names, func2, 0, ctx);
if (ret < 0) if (ret < 0)
break; goto fail;
if (arg) if (arg)
last_expr = arg; last_expr = arg;
s->nb_exprs++; s->nb_exprs++;
} }
av_free(args); av_freep(&args);
args = av_strdup(s->img_str ? s->img_str : s->real_str); args = av_strdup(s->img_str ? s->img_str : s->real_str);
if (!args) if (!args)
@ -196,12 +196,12 @@ static int config_input(AVFilterLink *inlink)
ret = av_expr_parse(&s->imag[ch], arg ? arg : last_expr, var_names, ret = av_expr_parse(&s->imag[ch], arg ? arg : last_expr, var_names,
NULL, NULL, func2_names, func2, 0, ctx); NULL, NULL, func2_names, func2, 0, ctx);
if (ret < 0) if (ret < 0)
break; goto fail;
if (arg) if (arg)
last_expr = arg; last_expr = arg;
} }
av_free(args); av_freep(&args);
s->fifo = av_audio_fifo_alloc(inlink->format, inlink->channels, s->window_size); s->fifo = av_audio_fifo_alloc(inlink->format, inlink->channels, s->window_size);
if (!s->fifo) if (!s->fifo)
@ -223,6 +223,9 @@ static int config_input(AVFilterLink *inlink)
if (!s->buffer) if (!s->buffer)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
fail:
av_freep(&args);
return ret; return ret;
} }