diff options
Diffstat (limited to 'include/net/udp.h')
| -rw-r--r-- | include/net/udp.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/net/udp.h b/include/net/udp.h index cc8036987dcb..586de4b811b5 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -366,12 +366,13 @@ static inline bool udp_skb_is_linear(struct sk_buff *skb) static inline int copy_linear_skb(struct sk_buff *skb, int len, int off, struct iov_iter *to) { - int n, copy = len - off; + int n; - n = copy_to_iter(skb->data + off, copy, to); - if (n == copy) + n = copy_to_iter(skb->data + off, len, to); + if (n == len) return 0; + iov_iter_revert(to, n); return -EFAULT; } |