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>
This commit is contained in:
parent
171bbfbeab
commit
23475e264c
@ -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;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user