12377 aggr: may be used uninitialized

Reviewed by: Andy Fiddaman <andy@omniosce.org>
Reviewed by: Gary Mills <gary_mills@fastmail.fm>
Approved by: Dan McDonald <danmcd@joyent.com>

usr/src/uts/common/io/aggr/aggr_ctl.c

@@ -46,6 +46,11 @@ aggr_ioc_modify(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
 	aggr_lacp_mode_t lacp_mode;
 	aggr_lacp_timer_t lacp_timer;
 
+	policy = 0;
+	mac_fixed = B_FALSE;
+	lacp_mode = AGGR_LACP_OFF;
+	lacp_timer = AGGR_LACP_TIMER_LONG;
+
 	modify_mask_arg = modify_arg->lu_modify_mask;
 
 	if (modify_mask_arg & LAIOC_MODIFY_POLICY) {
@@ -235,6 +240,9 @@ aggr_ioc_add_remove(laioc_add_rem_t *add_rem_arg, intptr_t arg, int cmd,
 	case LAIOC_REMOVE:
 		rc = aggr_grp_rem_ports(add_rem_arg->la_linkid, nports, ports);
 		break;
+	default:
+		rc = 0;
+		break;
 	}
 
 done:

usr/src/uts/common/io/aggr/aggr_grp.c

@@ -748,6 +748,8 @@ aggr_add_pseudo_rx_group(aggr_port_t *port, aggr_pseudo_rx_group_t *rx_grp)
 	ASSERT3U(g_idx, <, MAX_GROUPS_PER_PORT);
 	mac_perim_enter_by_mh(port->lp_mh, &pmph);
 
+	i = 0;
+	addr = NULL;
 	/*
 	 * This function must be called after the aggr registers its
 	 * MAC and its Rx groups have been initialized.