From: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Date: Thu, 16 Aug 2018 07:50:32 +0000 (+0200)
Subject: malloc_simple: calloc: don't call memset if malloc failed
X-Git-Url: http://git.dujemihanovic.xyz/%22/img/sics.gif/%22/static/git-favicon.png?a=commitdiff_plain;h=f3da76ea8b4c559ac0dc9206dc1676dde2224cd8;p=u-boot.git

malloc_simple: calloc: don't call memset if malloc failed

malloc_simple() can return 0 if out of memory. Don't call memset
from calloc() in this case but rely on the caller checking
the return value.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
---

diff --git a/common/malloc_simple.c b/common/malloc_simple.c
index c14f8b59c1..871b5444bd 100644
--- a/common/malloc_simple.c
+++ b/common/malloc_simple.c
@@ -57,7 +57,8 @@ void *calloc(size_t nmemb, size_t elem_size)
 	void *ptr;
 
 	ptr = malloc(size);
-	memset(ptr, '\0', size);
+	if (ptr)
+		memset(ptr, '\0', size);
 
 	return ptr;
 }