diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
index d98b49f47970..fce22e314cac 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c
@@ -856,7 +856,7 @@ int rvu_mbox_handler_mcs_ctrl_pkt_rule_write(struct rvu *rvu,
 static void rvu_mcs_set_lmac_bmap(struct rvu *rvu)
 {
 	struct mcs *mcs = mcs_get_pdata(0);
-	unsigned long lmac_bmap;
+	unsigned long lmac_bmap = 0;
 	int cgx, lmac, port;
 
 	for (port = 0; port < mcs->hw->lmac_cnt; port++) {