free(nil)

R=iant DELTA=3 (3 added, 0 deleted, 0 changed) OCL=22467 CL=22471

free(nil)
R=iant DELTA=3 (3 added, 0 deleted, 0 changed) OCL=22467 CL=22471
0c324305 · Russ Cox · a3ed4e71 · 0c324305
Commit 0c324305 authored Jan 09, 2009 by Russ Cox
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src/runtime/malloc.c src/runtime/malloc.c +3 -0

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--- a/src/runtime/malloc.c
+++ b/src/runtime/malloc.c
@@ -68,6 +68,9 @@ free(void *v)
 	MSpan *s;
 	MCache *c;

+	if(v == nil)
+		return;
+
 	// Find size class for v.
 	page = (uintptr)v >> PageShift;
 	sizeclass = MHeapMapCache_GET(&mheap.mapcache, page, tmp);