This patch converts the code to use kstrtou32() instead of simple_strtoul()
which is deprecated. The real size of the variables are u32, so use kstrtou32
instead of kstrtoul

Signed-off-by: Aristeu Rozanski <aris@redhat.com>

---
 security/device_cgroup.c |   28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

Index: github/security/device_cgroup.c
===================================================================
--- github.orig/security/device_cgroup.c	2012-08-21 10:51:05.751689805 -0400
+++ github/security/device_cgroup.c	2012-08-21 10:51:15.015951623 -0400
@@ -361,8 +361,8 @@
 				   int filetype, const char *buffer)
 {
 	const char *b;
-	char *endp;
-	int count;
+	char temp[12];		/* 11 + 1 characters needed for a u32 */
+	int count, rc;
 	struct dev_whitelist_item wh;
 
 	if (!capable(CAP_SYS_ADMIN))
@@ -405,8 +405,16 @@
 		wh.major = ~0;
 		b++;
 	} else if (isdigit(*b)) {
-		wh.major = simple_strtoul(b, &endp, 10);
-		b = endp;
+		memset(temp, 0, sizeof(temp));
+		for (count = 0; count < sizeof(temp) - 1; count++) {
+			temp[count] = *b;
+			b++;
+			if (!isdigit(*b))
+				break;
+		}
+		rc = kstrtou32(temp, 10, &wh.major);
+		if (rc)
+			return -EINVAL;
 	} else {
 		return -EINVAL;
 	}
@@ -419,8 +427,16 @@
 		wh.minor = ~0;
 		b++;
 	} else if (isdigit(*b)) {
-		wh.minor = simple_strtoul(b, &endp, 10);
-		b = endp;
+		memset(temp, 0, sizeof(temp));
+		for (count = 0; count < sizeof(temp) - 1; count++) {
+			temp[count] = *b;
+			b++;
+			if (!isdigit(*b))
+				break;
+		}
+		rc = kstrtou32(temp, 10, &wh.minor);
+		if (rc)
+			return -EINVAL;
 	} else {
 		return -EINVAL;
 	}

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