diff options
| -rw-r--r-- | fs/openpromfs/inode.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index 464e2bce020..c0cbe97cdc6 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -448,10 +448,11 @@ static ssize_t property_write(struct file *filp, const char __user *buf, *q |= simple_strtoul (tmp, NULL, 16); buf += last_cnt; } else { - char tchars[17]; /* XXX yuck... */ + char tchars[2 * sizeof(long) + 1]; - if (copy_from_user(tchars, buf, 16)) + if (copy_from_user(tchars, buf, sizeof(tchars) - 1)) return -EFAULT; + tchars[sizeof(tchars) - 1] = '\0'; *q = simple_strtoul (tchars, NULL, 16); buf += 9; } |