aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/loopback.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/loopback.c')
-rw-r--r--drivers/net/loopback.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index eae4ad749e9d..72b7949c91b1 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -72,7 +72,8 @@ struct pcpu_lstats {
72static netdev_tx_t loopback_xmit(struct sk_buff *skb, 72static netdev_tx_t loopback_xmit(struct sk_buff *skb,
73 struct net_device *dev) 73 struct net_device *dev)
74{ 74{
75 struct pcpu_lstats *pcpu_lstats, *lb_stats; 75 struct pcpu_lstats __percpu *pcpu_lstats;
76 struct pcpu_lstats *lb_stats;
76 int len; 77 int len;
77 78
78 skb_orphan(skb); 79 skb_orphan(skb);
@@ -80,8 +81,8 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
80 skb->protocol = eth_type_trans(skb, dev); 81 skb->protocol = eth_type_trans(skb, dev);
81 82
82 /* it's OK to use per_cpu_ptr() because BHs are off */ 83 /* it's OK to use per_cpu_ptr() because BHs are off */
83 pcpu_lstats = dev->ml_priv; 84 pcpu_lstats = (void __percpu __force *)dev->ml_priv;
84 lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id()); 85 lb_stats = this_cpu_ptr(pcpu_lstats);
85 86
86 len = skb->len; 87 len = skb->len;
87 if (likely(netif_rx(skb) == NET_RX_SUCCESS)) { 88 if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
@@ -95,14 +96,14 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
95 96
96static struct net_device_stats *loopback_get_stats(struct net_device *dev) 97static struct net_device_stats *loopback_get_stats(struct net_device *dev)
97{ 98{
98 const struct pcpu_lstats *pcpu_lstats; 99 const struct pcpu_lstats __percpu *pcpu_lstats;
99 struct net_device_stats *stats = &dev->stats; 100 struct net_device_stats *stats = &dev->stats;
100 unsigned long bytes = 0; 101 unsigned long bytes = 0;
101 unsigned long packets = 0; 102 unsigned long packets = 0;
102 unsigned long drops = 0; 103 unsigned long drops = 0;
103 int i; 104 int i;
104 105
105 pcpu_lstats = dev->ml_priv; 106 pcpu_lstats = (void __percpu __force *)dev->ml_priv;
106 for_each_possible_cpu(i) { 107 for_each_possible_cpu(i) {
107 const struct pcpu_lstats *lb_stats; 108 const struct pcpu_lstats *lb_stats;
108 109
@@ -135,19 +136,20 @@ static const struct ethtool_ops loopback_ethtool_ops = {
135 136
136static int loopback_dev_init(struct net_device *dev) 137static int loopback_dev_init(struct net_device *dev)
137{ 138{
138 struct pcpu_lstats *lstats; 139 struct pcpu_lstats __percpu *lstats;
139 140
140 lstats = alloc_percpu(struct pcpu_lstats); 141 lstats = alloc_percpu(struct pcpu_lstats);
141 if (!lstats) 142 if (!lstats)
142 return -ENOMEM; 143 return -ENOMEM;
143 144
144 dev->ml_priv = lstats; 145 dev->ml_priv = (void __force *)lstats;
145 return 0; 146 return 0;
146} 147}
147 148
148static void loopback_dev_free(struct net_device *dev) 149static void loopback_dev_free(struct net_device *dev)
149{ 150{
150 struct pcpu_lstats *lstats = dev->ml_priv; 151 struct pcpu_lstats __percpu *lstats =
152 (void __percpu __force *)dev->ml_priv;
151 153
152 free_percpu(lstats); 154 free_percpu(lstats);
153 free_netdev(dev); 155 free_netdev(dev);