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-rw-r--r--net/rds/send.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/rds/send.c b/net/rds/send.c
index 57b3d5a8b2db..fe785ee819dd 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1007,7 +1007,8 @@ static int rds_cmsg_send(struct rds_sock *rs, struct rds_message *rm,
1007 return ret; 1007 return ret;
1008} 1008}
1009 1009
1010static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn) 1010static int rds_send_mprds_hash(struct rds_sock *rs,
1011 struct rds_connection *conn, int nonblock)
1011{ 1012{
1012 int hash; 1013 int hash;
1013 1014
@@ -1023,10 +1024,16 @@ static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn)
1023 * used. But if we are interrupted, we have to use the zero 1024 * used. But if we are interrupted, we have to use the zero
1024 * c_path in case the connection ends up being non-MP capable. 1025 * c_path in case the connection ends up being non-MP capable.
1025 */ 1026 */
1026 if (conn->c_npaths == 0) 1027 if (conn->c_npaths == 0) {
1028 /* Cannot wait for the connection be made, so just use
1029 * the base c_path.
1030 */
1031 if (nonblock)
1032 return 0;
1027 if (wait_event_interruptible(conn->c_hs_waitq, 1033 if (wait_event_interruptible(conn->c_hs_waitq,
1028 conn->c_npaths != 0)) 1034 conn->c_npaths != 0))
1029 hash = 0; 1035 hash = 0;
1036 }
1030 if (conn->c_npaths == 1) 1037 if (conn->c_npaths == 1)
1031 hash = 0; 1038 hash = 0;
1032 } 1039 }
@@ -1256,7 +1263,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
1256 } 1263 }
1257 1264
1258 if (conn->c_trans->t_mp_capable) 1265 if (conn->c_trans->t_mp_capable)
1259 cpath = &conn->c_path[rds_send_mprds_hash(rs, conn)]; 1266 cpath = &conn->c_path[rds_send_mprds_hash(rs, conn, nonblock)];
1260 else 1267 else
1261 cpath = &conn->c_path[0]; 1268 cpath = &conn->c_path[0];
1262 1269