@@ -1324,6 +1324,9 @@ int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const

                 queue = &(*queue)->next;

             next = *queue;

             *queue = av_mallocz(sizeof(AVFilterCommand));

+            if (!*queue)

+                return AVERROR(ENOMEM);

+

             (*queue)->command = av_strdup(command);

             (*queue)->arg     = av_strdup(arg);

             (*queue)->time    = ts;