netdev - Re: [PATCH] openvswitch: Add missing initialization in validate_and_copy_set

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Date:	Wed, 11 Feb 2015 13:31:20 -0800
From:	Pravin Shelar <pshelar@...ira.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Thomas Graf <tgraf@...g.ch>, netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] openvswitch: Add missing initialization in validate_and_copy_set_tun()

On Wed, Feb 11, 2015 at 2:23 AM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> net/openvswitch/flow_netlink.c: In function ‘validate_and_copy_set_tun’:
> net/openvswitch/flow_netlink.c:1749: warning: ‘err’ may be used uninitialized in this function
>
> If ipv4_tun_from_nlattr() returns a different positive value than
> OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, err will be uninitialized, and
> validate_and_copy_set_tun() may return an undefined value instead of a
> zero success indicator. Initialize err to zero to fix this.
>
> Fixes: 1dd144cf5b4b47e1 ("openvswitch: Support VXLAN Group Policy extension")
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Acked-by: Pravin B Shelar <pshelar@...ira.com>
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