avfilter/graphparser: zero filter_ctx in case of deallocation in create_filter()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 175e689cc5
parent ec8e68c763
commit 175e689cc5
1 changed files with 1 additions and 0 deletions
--- a/libavfilter/graphparser.c
+++ b/libavfilter/graphparser.c
@ -133,6 +133,7 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind
            av_log(log_ctx, AV_LOG_ERROR, " with args '%s'", args);
        av_log(log_ctx, AV_LOG_ERROR, "\n");
        avfilter_free(*filt_ctx);
+        *filt_ctx = NULL;
    }

    av_free(tmp_args);