ext4: Use simple_strtol() instead of simple_strtoul() in ext4_ui_proc_open

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 81aed8b..8a0ae88 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3521,18 +3521,15 @@ static int ext4_ui_proc_open(struct inode *inode, struct file *file)
 static ssize_t ext4_ui_proc_write(struct file *file, const char __user *buf,
                               size_t cnt, loff_t *ppos)
 {
-       unsigned int *p = PDE(file->f_path.dentry->d_inode)->data;
+       unsigned long *p = PDE(file->f_path.dentry->d_inode)->data;
        char str[32];
-       unsigned long value;
 
        if (cnt >= sizeof(str))
                return -EINVAL;
        if (copy_from_user(str, buf, cnt))
                return -EFAULT;
-       value = simple_strtol(str, NULL, 0);
-       if (value < 0)
-               return -ERANGE;
-       *p = value;
+
+       *p = simple_strtoul(str, NULL, 0);
        return cnt;
 }