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| author |   Allan Stephens <allan.stephens@windriver.com> | 2006-06-25 23:46:50 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2006-06-25 23:46:50 -0700 |
| commit | 1303e8f173a8a5000ee6e2fba876fec9474ed1f6 (patch) | |
| tree | 1a4e21bce31d879f550d81fd88e5358ae2438248 /net/tipc | |
| parent | [TIPC]: Connected send now checks socket state when retrying congested send. (diff) | |
| download | linux-dev-1303e8f173a8a5000ee6e2fba876fec9474ed1f6.tar.xz linux-dev-1303e8f173a8a5000ee6e2fba876fec9474ed1f6.zip | |
[TIPC]: Stream socket send indicates partial success if data partially sent.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/socket.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 9c834fc30112..8cefacb55aad 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -601,7 +601,8 @@ exit: * * Used for SOCK_STREAM data. * - * Returns the number of bytes sent on success, or errno otherwise + * Returns the number of bytes sent on success (or partial success), + * or errno if no data sent */ @@ -615,6 +616,7 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, char __user *curr_start; int curr_left; int bytes_to_send; + int bytes_sent; int res; if (likely(total_len <= TIPC_MAX_USER_MSG_SIZE)) @@ -637,11 +639,11 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, * of small iovec entries into send_packet(). */ - my_msg = *m; - curr_iov = my_msg.msg_iov; - curr_iovlen = my_msg.msg_iovlen; + curr_iov = m->msg_iov; + curr_iovlen = m->msg_iovlen; my_msg.msg_iov = &my_iov; my_msg.msg_iovlen = 1; + bytes_sent = 0; while (curr_iovlen--) { curr_start = curr_iov->iov_base; @@ -652,16 +654,18 @@ static int send_stream(struct kiocb *iocb, struct socket *sock, ? curr_left : TIPC_MAX_USER_MSG_SIZE; my_iov.iov_base = curr_start; my_iov.iov_len = bytes_to_send; - if ((res = send_packet(iocb, sock, &my_msg, 0)) < 0) - return res; + if ((res = send_packet(iocb, sock, &my_msg, 0)) < 0) { + return bytes_sent ? bytes_sent : res; + } curr_left -= bytes_to_send; curr_start += bytes_to_send; + bytes_sent += bytes_to_send; } curr_iov++; } - return total_len; + return bytes_sent; } /** |