[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@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 5c4a92de9a07..450e29d7a9f3 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1963,6 +1963,11 @@ 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);