[SCSI] bfa: Replace bfa_get_attr() with specific APIs

bfa_ioc_attr_s is a big structure and some times could cause
stack overflow if defined locally, so add specific APIs that
are needed to replace the use of ioc_attr local var.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c
index e1a4b31..b4e05ad 100644
--- a/drivers/scsi/bfa/fabric.c
+++ b/drivers/scsi/bfa/fabric.c
@@ -1235,14 +1235,8 @@
 	wwn2str(pwwn_ptr, pwwn);
 	wwn2str(fwwn_ptr, fwwn);
 
-	switch (event) {
-	case BFA_PORT_AEN_FABRIC_NAME_CHANGE:
-		bfa_log(logmod, BFA_AEN_PORT_FABRIC_NAME_CHANGE, pwwn_ptr,
-			fwwn_ptr);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event),
+		pwwn_ptr, fwwn_ptr);
 
 	aen_data.port.pwwn = pwwn;
 	aen_data.port.fwwn = fwwn;