diff --git a/[refs] b/[refs]
index 6f02b2cfa090..92773767e480 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1873e870fd63ee4b87dbe0125ca373e420fb4987
+refs/heads/master: 5abe68e493e5aea1ccfc384092f8e98a542b336a
diff --git a/trunk/arch/x86/kernel/check.c b/trunk/arch/x86/kernel/check.c
index 5da1269e8ddc..e2dbcb7dabdd 100644
--- a/trunk/arch/x86/kernel/check.c
+++ b/trunk/arch/x86/kernel/check.c
@@ -27,21 +27,29 @@ static int num_scan_areas;
 
 static __init int set_corruption_check(char *arg)
 {
-	char *end;
+	ssize_t ret;
+	unsigned long val;
 
-	memory_corruption_check = simple_strtol(arg, &end, 10);
+	ret = kstrtoul(arg, 10, &val);
+	if (ret)
+		return ret;
 
-	return (*end == 0) ? 0 : -EINVAL;
+	memory_corruption_check = val;
+	return 0;
 }
 early_param("memory_corruption_check", set_corruption_check);
 
 static __init int set_corruption_check_period(char *arg)
 {
-	char *end;
+	ssize_t ret;
+	unsigned long val;
 
-	corruption_check_period = simple_strtoul(arg, &end, 10);
+	ret = kstrtoul(arg, 10, &val);
+	if (ret)
+		return ret;
 
-	return (*end == 0) ? 0 : -EINVAL;
+	corruption_check_period = val;
+	return 0;
 }
 early_param("memory_corruption_check_period", set_corruption_check_period);