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path: root/drivers/net/plip.c
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Diffstat (limited to 'drivers/net/plip.c')
-rw-r--r--drivers/net/plip.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index ec0349e84a8..ca4df7f4cf2 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -995,8 +995,10 @@ plip_tx_packet(struct sk_buff *skb, struct net_device *dev)
static void
plip_rewrite_address(const struct net_device *dev, struct ethhdr *eth)
{
- const struct in_device *in_dev = dev->ip_ptr;
+ const struct in_device *in_dev;
+ rcu_read_lock();
+ in_dev = __in_dev_get_rcu(dev);
if (in_dev) {
/* Any address will do - we take the first */
const struct in_ifaddr *ifa = in_dev->ifa_list;
@@ -1006,6 +1008,7 @@ plip_rewrite_address(const struct net_device *dev, struct ethhdr *eth)
memcpy(eth->h_dest+2, &ifa->ifa_address, 4);
}
}
+ rcu_read_unlock();
}
static int
@@ -1088,7 +1091,8 @@ plip_open(struct net_device *dev)
when the device address isn't identical to the address of a
received frame, the kernel incorrectly drops it). */
- if ((in_dev=dev->ip_ptr) != NULL) {
+ in_dev=__in_dev_get_rtnl(dev);
+ if (in_dev) {
/* Any address will do - we take the first. We already
have the first two bytes filled with 0xfc, from
plip_init_dev(). */
@@ -1279,7 +1283,6 @@ static void plip_attach (struct parport *port)
if (!nl->pardev) {
printk(KERN_ERR "%s: parport_register failed\n", name);
goto err_free_dev;
- return;
}
plip_init_netdev(dev);