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>

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index e1f7d0a78b9d58e28a2b6c1fdad43423cddd3956..14cec04c34f90c8adec61770e6607faa5f8540ab 100644 (file)
--- 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;