UBI: fix check on unsigned long

result is unsigned, the wrong check was used.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index e1f7d0a78b9d..14cec04c34f9 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -42,6 +42,7 @@
 #include <linux/log2.h>
 #include <linux/kthread.h>
 #include <linux/reboot.h>
+#include <linux/kernel.h>
 #include "ubi.h"
 
 /* Maximum length of the 'mtd=' parameter */
@@ -1257,7 +1258,7 @@ static int __init bytes_str_to_int(const char *str)
         unsigned long result;
 
         result = simple_strtoul(str, &endp, 0);
-        if (str == endp || result < 0) {
+        if (str == endp || result >= INT_MAX) {
                 printk(KERN_ERR "UBI error: incorrect bytes count: \"%s\"\n",
                        str);
                 return -EINVAL;