avfilter: check a malloc in avfilter_link().

Additionally change sizeof(type) into sizeof(var)

avfilter: check a malloc in avfilter_link().
Additionally change sizeof(type) into sizeof(var)
7e2b15c0 · Anton Khirnov · bf5b5d2b · 7e2b15c0
Commit 7e2b15c0 authored Apr 01, 2013 by Anton Khirnov
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Showing with 5 additions and 2 deletions

avfilter.c libavfilter/avfilter.c +5 -2

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--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -87,8 +87,11 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
        return AVERROR(EINVAL);
    }

-    src->outputs[srcpad] =
-    dst-> inputs[dstpad] = link = av_mallocz(sizeof(AVFilterLink));
+    link = av_mallocz(sizeof(*link));
+    if (!link)
+        return AVERROR(ENOMEM);
+
+    src->outputs[srcpad] = dst->inputs[dstpad] = link;

    link->src     = src;
    link->dst     = dst;