diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/tcp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index cd3c7e95de9..450f44bb2c8 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1064,7 +1064,11 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, break; } used = recv_actor(desc, skb, offset, len); - if (used <= len) { + if (used < 0) { + if (!copied) + copied = used; + break; + } else if (used <= len) { seq += used; copied += used; offset += used; @@ -1086,7 +1090,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, tcp_rcv_space_adjust(sk); /* Clean up data we have read: This will do ACK frames. */ - if (copied) + if (copied > 0) tcp_cleanup_rbuf(sk, copied); return copied; } |