netdev - Re: [PATCH net-next] qlcnic: Fix build failure due to undefined reference to `vxlan_get_rx

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Date:	Mon, 31 Mar 2014 16:29:50 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	shahed.shaikh@...gic.com
Cc:	netdev@...r.kernel.org, Dept-HSGLinuxNICDev@...gic.com
Subject: Re: [PATCH net-next] qlcnic: Fix build failure due to undefined
 reference to `vxlan_get_rx_port'

From: Shahed Shaikh <shahed.shaikh@...gic.com>
Date: Sun, 30 Mar 2014 10:42:25 -0400

> From: Shahed Shaikh <shahed.shaikh@...gic.com>
> 
> Commit 2b3d7b758c687("qlcnic: Add VXLAN Rx offload support") uses
> vxlan_get_rx_port() which caused build failure when VXLAN=m.
> 
> This patch fixes the build failure by adding dependency on VXLAN
> in Kconfig of qlcnic module and use vxlan_get_rx_port() accordingly.
> 
> Signed-off-by: Shahed Shaikh <shahed.shaikh@...gic.com>
> ---
> Hi David,
> 
> Please apply this patch to net-next.

Do this properly, don't just CPP protect the symbol that fails.

Look at how I40E_VXLAN is used, it protect everything from the
ndo_*() ops to the surrounding support code.
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