tipc: Don't reset the timeout when restarting

As it may then take longer than what the user specified using
setsockopt(SO_RCVTIMEO).

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index ac08966f2858..08d87fc80b10 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -985,10 +985,11 @@ static int anc_data_recv(struct msghdr *m, struct tipc_msg *msg,
         return 0;
 }
 
-static int tipc_wait_for_rcvmsg(struct socket *sock, long timeo)
+static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop)
 {
         struct sock *sk = sock->sk;
         DEFINE_WAIT(wait);
+        long timeo = *timeop;
         int err;
 
         for (;;) {
@@ -1013,6 +1014,7 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long timeo)
                         break;
         }
         finish_wait(sk_sleep(sk), &wait);
+        *timeop = timeo;
         return err;
 }
 
@@ -1056,7 +1058,7 @@ static int tipc_recvmsg(struct kiocb *iocb, struct socket *sock,
 restart:
 
         /* Look for a message in receive queue; wait if necessary */
-        res = tipc_wait_for_rcvmsg(sock, timeo);
+        res = tipc_wait_for_rcvmsg(sock, &timeo);
         if (res)
                 goto exit;
 
@@ -1154,7 +1156,7 @@ static int tipc_recv_stream(struct kiocb *iocb, struct socket *sock,
 
 restart:
         /* Look for a message in receive queue; wait if necessary */
-        res = tipc_wait_for_rcvmsg(sock, timeo);
+        res = tipc_wait_for_rcvmsg(sock, &timeo);
         if (res)
                 goto exit;