diff options
Diffstat (limited to 'net/ipv4/tcp.c')
-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 cd3c7e95de9e..450f44bb2c8e 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, | |||
1064 | break; | 1064 | break; |
1065 | } | 1065 | } |
1066 | used = recv_actor(desc, skb, offset, len); | 1066 | used = recv_actor(desc, skb, offset, len); |
1067 | if (used <= len) { | 1067 | if (used < 0) { |
1068 | if (!copied) | ||
1069 | copied = used; | ||
1070 | break; | ||
1071 | } else if (used <= len) { | ||
1068 | seq += used; | 1072 | seq += used; |
1069 | copied += used; | 1073 | copied += used; |
1070 | offset += used; | 1074 | offset += used; |
@@ -1086,7 +1090,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, | |||
1086 | tcp_rcv_space_adjust(sk); | 1090 | tcp_rcv_space_adjust(sk); |
1087 | 1091 | ||
1088 | /* Clean up data we have read: This will do ACK frames. */ | 1092 | /* Clean up data we have read: This will do ACK frames. */ |
1089 | if (copied) | 1093 | if (copied > 0) |
1090 | tcp_cleanup_rbuf(sk, copied); | 1094 | tcp_cleanup_rbuf(sk, copied); |
1091 | return copied; | 1095 | return copied; |
1092 | } | 1096 | } |