diff options
Diffstat (limited to 'drivers/misc/sgi-gru/gruprocfs.c')
| -rw-r--r-- | drivers/misc/sgi-gru/gruprocfs.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index 797d7962cc8..4f763592239 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -160,15 +160,11 @@ static int options_show(struct seq_file *s, void *p) static ssize_t options_write(struct file *file, const char __user *userbuf, size_t count, loff_t *data) { - char buf[20]; - - if (count >= sizeof(buf)) - return -EINVAL; - if (copy_from_user(buf, userbuf, count)) - return -EFAULT; - buf[count] = '\0'; - if (strict_strtoul(buf, 0, &gru_options)) - return -EINVAL; + int ret; + + ret = kstrtoul_from_user(userbuf, count, 0, &gru_options); + if (ret) + return ret; return count; } |