dlm: make tcp still work in multi-link env

[ Upstream commit 03d2b62208a336a3bb984b9465ef6d89a046ea22 ]

This patch bypasses multi-link errors in TCP mode, allowing dlm
to operate on the first tcp link.

Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 1eb95ba7e7772407fde484ac79f11fed785e6f47..5b534255540772bf56ee6bf1c3f881f4301c8ae9 100644 (file)
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1852,8 +1852,8 @@ static int dlm_tcp_listen_validate(void)
 {
        /* We don't support multi-homed hosts */
        if (dlm_local_count > 1) {
-               log_print("TCP protocol can't handle multi-homed hosts, try SCTP");
-               return -EINVAL;
+               log_print("Detect multi-homed hosts but use only the first IP address.");
+               log_print("Try SCTP, if you want to enable multi-link.");
        }
 
        return 0;