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-rw-r--r--net/dsa/slave.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 41c69a6e7854..8022d50584db 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -285,7 +285,7 @@ static void dsa_port_manage_cpu_flood(struct dsa_port *dp)
 		if (other_dp->slave->flags & IFF_ALLMULTI)
 			flags.val |= BR_MCAST_FLOOD;
 		if (other_dp->slave->flags & IFF_PROMISC)
-			flags.val |= BR_FLOOD;
+			flags.val |= BR_FLOOD | BR_MCAST_FLOOD;
 	}
 
 	err = dsa_port_pre_bridge_flags(dp, flags, NULL);