diff options
author | Himangi Saraogi <himangi774@gmail.com> | 2015-04-03 17:12:11 +0300 |
---|---|---|
committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2015-04-20 01:45:35 +0300 |
commit | 88d1fb4e3f156d8fd5bb6cb3ba3a9ef1e6d6fb08 (patch) | |
tree | 86fd317e9191a5290f91c0e7820913120766eadb /libavfilter | |
parent | a1d58e3b386cc0bfe16abd9ccee4eed182b7e354 (diff) |
filtfmts: Avoid null pointer dereference
Diffstat (limited to 'libavfilter')
-rw-r--r-- | libavfilter/filtfmts.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/libavfilter/filtfmts.c b/libavfilter/filtfmts.c index 40649c7778..cc04654222 100644 --- a/libavfilter/filtfmts.c +++ b/libavfilter/filtfmts.c @@ -33,7 +33,7 @@ int main(int argc, char **argv) AVFilterGraph *graph_ctx; const char *filter_name; const char *filter_args = NULL; - int i, j; + int i, j, ret = 0; av_log_set_level(AV_LOG_DEBUG); @@ -74,11 +74,21 @@ 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->filter->inputs, 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->filter->outputs, i); filter_ctx->outputs[i] = link; } @@ -106,8 +116,9 @@ int main(int argc, char **argv) av_get_pix_fmt_name(fmts->formats[j])); } +fail: avfilter_free(filter_ctx); avfilter_graph_free(&graph_ctx); fflush(stdout); - return 0; + return ret; } |