From 058c263f6bd41ffa18328e0ff60d25d3a028f975 Mon Sep 17 00:00:00 2001
From: Kito Cheng <kito.cheng@gmail.com>
Date: Thu, 23 Feb 2017 17:16:28 +0800
Subject: Only set *memptr when success for posix_memalign

---
 libc/stdlib/posix_memalign.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'libc')

diff --git a/libc/stdlib/posix_memalign.c b/libc/stdlib/posix_memalign.c
index 523bc2cbd..01831070f 100644
--- a/libc/stdlib/posix_memalign.c
+++ b/libc/stdlib/posix_memalign.c
@@ -34,8 +34,10 @@ int posix_memalign(void **memptr, size_t alignment, size_t size)
 	     || alignment == 0
 	     */
 		return EINVAL;
-
-	*memptr = memalign(alignment, size);
-
-	return (*memptr != NULL ? 0 : ENOMEM);
+	void *mem = memalign(alignment, size);
+	if (mem != NULL) {
+		*memptr = mem;
+		return 0;
+	} else
+		return ENOMEM;
 }
-- 
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