From 06f805965fc205e27681eee99fd2376fafd8da65 Mon Sep 17 00:00:00 2001
From: Vladimir Murzin <vladimir.murzin@arm.com>
Date: Tue, 8 Sep 2015 15:00:16 -0700
Subject: [PATCH] memtest: use kstrtouint instead of simple_strtoul

Since simple_strtoul is obsolete and memtest_pattern is type of int, use
kstrtouint instead.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Cc: Leon Romanovsky <leon@leon.nu>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memtest.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/mm/memtest.c b/mm/memtest.c
index 0a1cc133f6d7..20e836138e00 100644
--- a/mm/memtest.c
+++ b/mm/memtest.c
@@ -89,16 +89,18 @@ static void __init do_one_pass(u64 pattern, phys_addr_t start, phys_addr_t end)
 }
 
 /* default is disabled */
-static int memtest_pattern __initdata;
+static unsigned int memtest_pattern __initdata;
 
 static int __init parse_memtest(char *arg)
 {
+	int ret = 0;
+
 	if (arg)
-		memtest_pattern = simple_strtoul(arg, NULL, 0);
+		ret = kstrtouint(arg, 0, &memtest_pattern);
 	else
 		memtest_pattern = ARRAY_SIZE(patterns);
 
-	return 0;
+	return ret;
 }
 
 early_param("memtest", parse_memtest);