korina: disable napi on close and restart

Without this the driver will crash when the NIC is being restarted.

Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/korina.c b/drivers/net/korina.c
index e30c2f437d193c22ca065c9f8255422d33c88c72..65b8487c1896c5afe9570b6c0aa22bb6f6f6d0b5 100644 (file)
--- a/drivers/net/korina.c
+++ b/drivers/net/korina.c
@@ -904,6 +904,8 @@ static int korina_restart(struct net_device *dev)
 
        korina_free_ring(dev);
 
+       napi_disable(&lp->napi);
+
        ret = korina_init(dev);
        if (ret < 0) {
                printk(KERN_ERR DRV_NAME "%s: cannot restart device\n",
@@ -1070,6 +1072,8 @@ static int korina_close(struct net_device *dev)
 
        korina_free_ring(dev);
 
+       napi_disable(&lp->napi);
+
        free_irq(lp->rx_irq, dev);
        free_irq(lp->tx_irq, dev);
        free_irq(lp->ovr_irq, dev);