diff --git a/fs/splice.c b/fs/splice.c index 67ddaac1f5c5..17d692449e83 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -886,7 +886,6 @@ ssize_t splice_to_socket(struct pipe_inode_info *pipe, struct file *out, } seg = min_t(size_t, remain, buf->len); - seg = min_t(size_t, seg, PAGE_SIZE); ret = pipe_buf_confirm(pipe, buf); if (unlikely(ret)) { @@ -897,10 +896,9 @@ ssize_t splice_to_socket(struct pipe_inode_info *pipe, struct file *out, bvec_set_page(&bvec[bc++], buf->page, seg, buf->offset); remain -= seg; - if (seg >= buf->len) - tail++; - if (bc >= ARRAY_SIZE(bvec)) + if (remain == 0 || bc >= ARRAY_SIZE(bvec)) break; + tail++; } if (!bc) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 457598dfa128..6e70839257f7 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1041,7 +1041,8 @@ static int __ip_append_data(struct sock *sk, } else if ((flags & MSG_SPLICE_PAGES) && length) { if (inet->hdrincl) return -EPERM; - if (rt->dst.dev->features & NETIF_F_SG) + if (rt->dst.dev->features & NETIF_F_SG && + getfrag == ip_generic_getfrag) /* We need an empty buffer to attach stuff to */ paged = true; else diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index c06ff7519f19..1e8c90e97608 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1593,7 +1593,8 @@ static int __ip6_append_data(struct sock *sk, } else if ((flags & MSG_SPLICE_PAGES) && length) { if (inet_sk(sk)->hdrincl) return -EPERM; - if (rt->dst.dev->features & NETIF_F_SG) + if (rt->dst.dev->features & NETIF_F_SG && + getfrag == ip_generic_getfrag) /* We need an empty buffer to attach stuff to */ paged = true; else