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filtfmts: Avoid null pointer dereference

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Himangi Saraogi 2015-04-03 19:46:05 +05:30 committed by Michael Niedermayer
parent acbb90407a
commit 24326930d8
1 changed files with 13 additions and 1 deletions
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14
libavfilter/filtfmts.c
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@ -75,6 +75,7 @@ int main(int argc, char **argv)
const char *filter_name;
const char *filter_args = NULL;
int i;
int ret = 0;
av_log_set_level(AV_LOG_DEBUG);
@ -115,11 +116,21 @@ int main(int argc, char **argv)
/* create a link for each of the input pads */
for (i = 0; i < filter_ctx->nb_inputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
if (!link) {
fprintf(stderr, "Unable to allocate memory for filter input link\n");
ret = 1;
goto fail;
}
link->type = avfilter_pad_get_type(filter_ctx->input_pads, i);
filter_ctx->inputs[i] = link;
}
for (i = 0; i < filter_ctx->nb_outputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
if (!link) {
fprintf(stderr, "Unable to allocate memory for filter output link\n");
ret = 1;
goto fail;
}
link->type = avfilter_pad_get_type(filter_ctx->output_pads, i);
filter_ctx->outputs[i] = link;
}
@ -131,8 +142,9 @@ int main(int argc, char **argv)
print_formats(filter_ctx);
fail:
avfilter_free(filter_ctx);
avfilter_graph_free(&graph_ctx);
fflush(stdout);
return 0;
return ret;
}