From: Allan Stephens <[EMAIL PROTECTED]>
Signed-off-by: Allan Stephens <[EMAIL PROTECTED]>
Signed-off-by: Per Liden <[EMAIL PROTECTED]>
---
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 9c834fc..8cefacb 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 *ioc
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 *ioc
* 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 *ioc
? 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;
}
/**
--
1.4.0
-
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