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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Stephen Hemminger <sthemmin@microsoft.com>,
        "David S. Miller" <davem@davemloft.net>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.14 234/496] hv_netvsc: fix filter flags
Date:   Mon, 28 May 2018 12:00:19 +0200
Message-Id: <20180528100329.769235339@linuxfoundation.org>
In-Reply-To: <20180528100319.498712256@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stephen Hemminger <stephen@networkplumber.org>

[ Upstream commit de3d50aadd40bf68614db9fd157b275ce9c2d467 ]

The recent change to not always enable all multicast and broadcast
was broken; meant to set filter, not change flags.

Fixes: 009f766ca238 ("hv_netvsc: filter multicast/broadcast")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/hyperv/rndis_filter.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -857,9 +857,9 @@ static void rndis_set_multicast(struct w
 		filter = NDIS_PACKET_TYPE_PROMISCUOUS;
 	} else {
 		if (flags & IFF_ALLMULTI)
-			flags |= NDIS_PACKET_TYPE_ALL_MULTICAST;
+			filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
 		if (flags & IFF_BROADCAST)
-			flags |= NDIS_PACKET_TYPE_BROADCAST;
+			filter |= NDIS_PACKET_TYPE_BROADCAST;
 	}
 
 	rndis_filter_set_packet_filter(rdev, filter);