Re: [syzbot] [rds?] WARNING in rds_conn_connect_if_down

[Edward Adam Davis]

please test mp capable for rds

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

diff --git a/net/rds/recv.c b/net/rds/recv.c
index 5627f80013f8..142c289bcf6b 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -228,6 +228,7 @@ static void rds_recv_hs_exthdrs(struct rds_header *hdr,
 	}
 	/* if RDS_EXTHDR_NPATHS was not found, default to a single-path */
 	conn->c_npaths = max_t(int, conn->c_npaths, 1);
+	conn->c_trans->t_mp_capable = conn->c_npaths > 1 ? 1 : 0;
 	conn->c_ping_triggered = 0;
 	rds_conn_peer_gen_update(conn, new_peer_gen_num);
 }