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Message-ID: <CO6PR18MB40835482AA82B3A34FCAA165C4A81@CO6PR18MB4083.namprd18.prod.outlook.com>
Date: Thu, 14 Jan 2021 21:46:55 +0000
From: "Taras Chornyi [C]" <tchornyi@...vell.com>
To: Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC: Florian Fainelli <f.fainelli@...il.com>,
Kurt Kanzenbach <kurt@...utronix.de>,
"Vadym Kochan [C]" <vkochan@...vell.com>,
Ido Schimmel <idosch@...dia.com>,
"clang-built-linux@...glegroups.com"
<clang-built-linux@...glegroups.com>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>
Subject: Re: [PATCH net-next] net: marvell: prestera: fix uninitialized vid in
prestera_port_vlans_add
________________________________________
From: Vladimir Oltean <olteanv@...il.com>
Sent: Thursday, January 14, 2021 10:35 AM
To: David S. Miller; Jakub Kicinski; netdev@...r.kernel.org
Cc: Florian Fainelli; Kurt Kanzenbach; Vadym Kochan [C]; Taras Chornyi [C]; Ido Schimmel; clang-built-linux@...glegroups.com; linux-mm@...ck.org; kbuild-all@...ts.01.org
Subject: [PATCH net-next] net: marvell: prestera: fix uninitialized vid in prestera_port_vlans_add
----------------------------------------------------------------------
From: Vladimir Oltean <vladimir.oltean@....com>
prestera_bridge_port_vlan_add should have been called with vlan->vid,
however this was masked by the presence of the local vid variable and I
did not notice the build warning.
Reported-by: kernel test robot <lkp@...el.com>
Fixes: b7a9e0da2d1c ("net: switchdev: remove vid_begin -> vid_end range from VLAN objects")
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
drivers/net/ethernet/marvell/prestera/prestera_switchdev.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
index beb6447fbe40..8c2b03151736 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
@@ -1007,7 +1007,6 @@ static int prestera_port_vlans_add(struct prestera_port *port,
struct prestera_bridge_port *br_port;
struct prestera_switch *sw = port->sw;
struct prestera_bridge *bridge;
- u16 vid;
if (netif_is_bridge_master(dev))
return 0;
@@ -1021,7 +1020,7 @@ static int prestera_port_vlans_add(struct prestera_port *port,
return 0;
return prestera_bridge_port_vlan_add(port, br_port,
- vid, flag_untagged,
+ vlan->vid, flag_untagged,
flag_pvid, extack);
}
--
2.25.1
Reviewed-by: Taras Chornyi <tchornyi@...vell.com>
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