linux-kernel - [2.6.22.y] {08/14} - [VIA_VELOCITY]: Don't oops on MTU change

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Message-ID: <6101e8c40802071203o2877ffc0q9e8c4681fe130648@mail.gmail.com>
Date:	Thu, 7 Feb 2008 21:03:34 +0100
From:	"Oliver Pinter" <oliver.pntr@...il.com>
To:	"Linux Kernel" <linux-kernel@...r.kernel.org>, stable@...nel.org,
	stable-commits@...r.kernel.org
Subject: [2.6.22.y] {08/14} - [VIA_VELOCITY]: Don't oops on MTU change - on top of 2.6.22.17

aka: via-velocity-dont-oops-on-mtu-change-1.patch


From: Stephen Hemminger <shemminger@...ux-foundation.org>
Date: Thu, 15 Nov 2007 03:47:27 +0000 (-0800)
Subject: [VIA_VELOCITY]: Don't oops on MTU change.
Patch-mainline: v2.6.24-rc3
References: 341537

[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@...ux-foundation.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Acked-by: Jeff Mahoney <jeffm@...e.com>
CC: Oliver Pinter <oliver.pntr@...il.com>
---
 drivers/net/via-velocity.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/net/via-velocity.c	2008-01-03 15:18:35.000000000 -0500
+++ b/drivers/net/via-velocity.c	2008-01-03 15:18:50.000000000 -0500
@@ -1798,6 +1798,11 @@ 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);


-- 
Thanks,
Oliver
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