diff options
| author | Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> | 2017-04-24 15:00:42 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-25 11:45:37 -0400 |
| commit | 3364d61c92ecca7a8da990659c4b0ae1fcf0fcfb (patch) | |
| tree | 123f0e5a701ba5d91c58a9c2c5e3e89fb4dcda19 /net | |
| parent | b7d6df57516f8e6a1c847b822ec2a62555455f88 (diff) | |
| download | linux-0-day-3364d61c92ecca7a8da990659c4b0ae1fcf0fcfb.tar.gz linux-0-day-3364d61c92ecca7a8da990659c4b0ae1fcf0fcfb.tar.xz | |
tipc: fix socket flow control accounting error at tipc_send_stream
Until now in tipc_send_stream(), we return -1 when the socket
encounters link congestion even if the socket had successfully
sent partial data. This is incorrect as the application resends
the same the partial data leading to data corruption at
receiver's end.
In this commit, we return the partially sent bytes as the return
value at link congestion.
Fixes: 10724cc7bb78 ("tipc: redesign connection-level flow control")
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/tipc/socket.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 7130e73bd42c2..b28e94f1c7398 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1083,7 +1083,7 @@ static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dlen) } } while (sent < dlen && !rc); - return rc ? rc : sent; + return sent ? sent : rc; } /** |