Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index bac7fd6..da60ab9 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -42,6 +42,8 @@
 						/* mac address per port*/
 	u8			pnetid[SMC_MAX_PORTS][SMC_MAX_PNETID_LEN];
 						/* pnetid per port */
+	bool			pnetid_by_user[SMC_MAX_PORTS];
+						/* pnetid defined by user? */
 	u8			initialized : 1; /* ib dev CQ, evthdl done */
 	struct work_struct	port_event_work;
 	unsigned long		port_event_mask;