From c055fc00c07be1f0df7375ab0036cebd1106ed38 Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Tue, 5 Mar 2024 08:13:08 +0800 Subject: net/rds: fix WARNING in rds_conn_connect_if_down If connection isn't established yet, get_mr() will fail, trigger connection after get_mr(). Fixes: 584a8279a44a ("RDS: RDMA: return appropriate error on rdma map failures") Reported-and-tested-by: syzbot+d4faee732755bba9838e@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis Signed-off-by: David S. Miller --- net/rds/rdma.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/rds/rdma.c') diff --git a/net/rds/rdma.c b/net/rds/rdma.c index fba82d36593a..a4e3c5de998b 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -301,6 +301,9 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args, kfree(sg); } ret = PTR_ERR(trans_private); + /* Trigger connection so that its ready for the next retry */ + if (ret == -ENODEV) + rds_conn_connect_if_down(cp->cp_conn); goto out; } -- cgit v1.2.3