From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Thu, 7 Feb 2008 20:03:34 +0000 (+0100)
Subject: VIA_VELOCITY: Don't oops on MTU change.
X-Git-Tag: v2.6.22.19~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b370032cf7f9f8fc85d7a7a5fb1fb4edd3e90f1e;p=thirdparty%2Fkernel%2Fstable.git

VIA_VELOCITY: Don't oops on MTU change.

mainline: bd7b3f34198071d8bec05180530c362f1800ba46

Simple mtu change when device is down.
Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Jeff Mahoney <jeffm@suse.com>
CC: Oliver Pinter <oliver.pntr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index b670b97bcfde4..63a2f81b07b65 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1798,6 +1798,11 @@ static int velocity_change_mtu(struct net_device *dev, int new_mtu)
 		return -EINVAL;
 	}
 
+	if (!netif_running(dev)) {
+		dev->mtu = new_mtu;
+		return 0;
+	}
+
 	if (new_mtu != oldmtu) {
 		spin_lock_irqsave(&vptr->lock, flags);