diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 6 | ||||
| -rw-r--r-- | include/linux/uio.h | 3 | ||||
| -rw-r--r-- | include/net/sock.h | 6 | ||||
| -rw-r--r-- | include/net/udplite.h | 2 |
4 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 332e76756f54..ac7fa34db8a7 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2818,12 +2818,12 @@ static inline int skb_add_data(struct sk_buff *skb, if (skb->ip_summed == CHECKSUM_NONE) { __wsum csum = 0; - if (csum_and_copy_from_iter(skb_put(skb, copy), copy, - &csum, from) == copy) { + if (csum_and_copy_from_iter_full(skb_put(skb, copy), copy, + &csum, from)) { skb->csum = csum_block_add(skb->csum, csum, off); return 0; } - } else if (copy_from_iter(skb_put(skb, copy), copy, from) == copy) + } else if (copy_from_iter_full(skb_put(skb, copy), copy, from)) return 0; __skb_trim(skb, off); diff --git a/include/linux/uio.h b/include/linux/uio.h index d5aba1512b8b..804e34c6f981 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -89,7 +89,9 @@ size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i); size_t copy_from_iter(void *addr, size_t bytes, struct iov_iter *i); +bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i); size_t copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i); +bool copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i); size_t iov_iter_zero(size_t bytes, struct iov_iter *); unsigned long iov_iter_alignment(const struct iov_iter *i); unsigned long iov_iter_gap_alignment(const struct iov_iter *i); @@ -155,6 +157,7 @@ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) } size_t csum_and_copy_to_iter(const void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); +bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); int import_iovec(int type, const struct iovec __user * uvector, unsigned nr_segs, unsigned fast_segs, diff --git a/include/net/sock.h b/include/net/sock.h index e17aa3de2b4d..282d065e286b 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1836,13 +1836,13 @@ static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, { if (skb->ip_summed == CHECKSUM_NONE) { __wsum csum = 0; - if (csum_and_copy_from_iter(to, copy, &csum, from) != copy) + if (!csum_and_copy_from_iter_full(to, copy, &csum, from)) return -EFAULT; skb->csum = csum_block_add(skb->csum, csum, offset); } else if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) { - if (copy_from_iter_nocache(to, copy, from) != copy) + if (!copy_from_iter_full_nocache(to, copy, from)) return -EFAULT; - } else if (copy_from_iter(to, copy, from) != copy) + } else if (!copy_from_iter_full(to, copy, from)) return -EFAULT; return 0; diff --git a/include/net/udplite.h b/include/net/udplite.h index 36097d388219..ea340524f99b 100644 --- a/include/net/udplite.h +++ b/include/net/udplite.h @@ -20,7 +20,7 @@ static __inline__ int udplite_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb) { struct msghdr *msg = from; - return copy_from_iter(to, len, &msg->msg_iter) != len ? -EFAULT : 0; + return copy_from_iter_full(to, len, &msg->msg_iter) ? 0 : -EFAULT; } /* Designate sk as UDP-Lite socket */ |