netdev - [PATCH] via-velocity: don't oops on MTU change.

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Message-ID: <20071114193844.0cab5c7d@freepuppy.rosehill>
Date:	Wed, 14 Nov 2007 19:38:44 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, jnelson-kernel-bugzilla@...poni.net
Subject: [PATCH] via-velocity: don't oops on MTU change.

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

Signed-off-by: Stephen Hemminger <shemminger@...ux-foundation.org>


--- a/drivers/net/via-velocity.c	2007-10-22 09:38:11.000000000 -0700
+++ b/drivers/net/via-velocity.c	2007-11-14 19:34:30.000000000 -0800
@@ -1963,6 +1963,11 @@ static int velocity_change_mtu(struct ne
 		return -EINVAL;
 	}
 
+	if (!netif_running(dev)) {
+		dev->mtu = new_mtu;
+		return 0;
+	}
+
 	if (new_mtu != oldmtu) {
 		spin_lock_irqsave(&vptr->lock, flags);
 
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