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 c14f8b59c178ee251cc79299f9fcccfbcb1e340a..871b5444bd7d89e48eef21527d172927788d2e40 100644 (file)
--- 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;
 }