From: Karsten Graul <kgraul@linux.ibm.com>
Date: Thu, 19 Dec 2019 12:51:13 +0100
Subject: net/smc: unregister ib devices in reboot_event
Git-commit: 28a3b8408f70b646e78880a7eb0a97c22ace98d1
Patch-mainline: v5.5-rc3
References: jsc#SLE-7395

In the reboot_event handler, unregister the ib devices and enable
the IB layer to release the devices before the reboot.

Fixes: a33a803cfe64 ("net/smc: guarantee removal of link groups in reboot")
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 net/smc/smc_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1287,7 +1287,7 @@ static int smc_core_reboot_event(struct
 				 unsigned long event, void *ptr)
 {
 	smc_lgrs_shutdown();
-
+	smc_ib_unregister_client();
 	return 0;
 }