netdev - [PATCH net-next]: net: remove ifalias on empty given alias

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Message-ID: <48D948E8.6090804@hartkopp.net>
Date:	Tue, 23 Sep 2008 21:52:08 +0200
From:	Oliver Hartkopp <oliver@...tkopp.net>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH net-next]: net: remove ifalias on empty given alias 

This patch removes the potentially allocated ifalias when the (new) 
given alias is empty.

E.g. when setting

echo "" > /sys/class/net/eth0/ifalias

Signed-off-by: Oliver Hartkopp <oliver@...tkopp.net>
---

Hello Stephen,

this patch allows to 'remove' or reset the ifalias by giving an empty alias.
The patch is tested.
Btw. ifalias is a nice idea also for CAN bus people to 'name' a given 
CAN bus.

Thanks & regards,
Oliver

View attachment "empty_ifalias.patch" of type "text/x-patch" (467 bytes)