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Message-Id: <1433183947-13095-3-git-send-email-sfeldma@gmail.com>
Date:	Mon,  1 Jun 2015 11:39:03 -0700
From:	sfeldma@...il.com
To:	netdev@...r.kernel.org
Cc:	jiri@...nulli.us, simon.horman@...ronome.com
Subject: [PATCH net-next 2/5] rocker: cleanup vlan table on error adding vlan

From: Scott Feldman <sfeldma@...il.com>

Basic house keeping: If there is an error adding the router MAC for this
vlan, removing the just installed VLAN table entry to leave device in same
state as before failure.

Signed-off-by: Scott Feldman <sfeldma@...il.com>
---
 drivers/net/ethernet/rocker/rocker.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index ab6d871..76e2281 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4342,7 +4342,12 @@ static int rocker_port_vlan_add(struct rocker_port *rocker_port,
 	if (err)
 		return err;
 
-	return rocker_port_router_mac(rocker_port, trans, 0, htons(vid));
+	err = rocker_port_router_mac(rocker_port, trans, 0, htons(vid));
+	if (err)
+		rocker_port_vlan(rocker_port, trans,
+				 ROCKER_OP_FLAG_REMOVE, vid);
+
+	return err;
 }
 
 static int rocker_port_vlans_add(struct rocker_port *rocker_port,
-- 
1.7.10.4

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