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Message-ID: <20230412111237.2007-1-wangdeming@inspur.com>
Date:   Wed, 12 Apr 2023 07:12:37 -0400
From:   Deming Wang <wangdeming@...pur.com>
To:     <shuah@...nel.org>, <mpe@...erman.id.au>
CC:     <npiggin@...il.com>, <christophe.leroy@...roup.eu>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-kselftest@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Deming Wang <wangdeming@...pur.com>
Subject: [PATCH] selftests/powerpc: Replace obsolete memalign() with posix_memalign()

memalign() is obsolete according to its manpage.

Replace memalign() with posix_memalign() and remove malloc.h include
that was there for memalign().

As a pointer is passed into posix_memalign(), initialize *s to NULL
to silence a warning about the function's return value being used as
uninitialized (which is not valid anyway because the error is properly
checked before p is returned).

Signed-off-by: Deming Wang <wangdeming@...pur.com>
---
 tools/testing/selftests/powerpc/stringloops/strlen.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/powerpc/stringloops/strlen.c b/tools/testing/selftests/powerpc/stringloops/strlen.c
index 9055ebc484d0..f9c1f9cc2d32 100644
--- a/tools/testing/selftests/powerpc/stringloops/strlen.c
+++ b/tools/testing/selftests/powerpc/stringloops/strlen.c
@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <malloc.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
@@ -51,10 +50,11 @@ static void bench_test(char *s)
 static int testcase(void)
 {
 	char *s;
+	int ret;
 	unsigned long i;
 
-	s = memalign(128, SIZE);
-	if (!s) {
+	ret = posix_memalign((void **)&s, 128, SIZE);
+	if (ret < 0) {
 		perror("memalign");
 		exit(1);
 	}
-- 
2.27.0

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