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Diffstat (limited to 'net/can/af_can.c')
-rw-r--r--net/can/af_can.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 094fc53..7d9dff222 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -38,8 +38,6 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
- * Send feedback to <socketcan-users@lists.berlios.de>
- *
*/
#include <linux/module.h>
@@ -58,6 +56,7 @@
#include <linux/skbuff.h>
#include <linux/can.h>
#include <linux/can/core.h>
+#include <linux/ratelimit.h>
#include <net/net_namespace.h>
#include <net/sock.h>
@@ -161,8 +160,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
* return the error code immediately. Below we will
* return -EPROTONOSUPPORT
*/
- if (err && printk_ratelimit())
- printk(KERN_ERR "can: request_module "
+ if (err)
+ printk_ratelimited(KERN_ERR "can: request_module "
"(can-proto-%d) failed.\n", protocol);
cp = can_get_proto(protocol);
@@ -245,6 +244,9 @@ int can_send(struct sk_buff *skb, int loop)
}
skb->protocol = htons(ETH_P_CAN);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
@@ -718,7 +720,7 @@ int can_proto_register(const struct can_proto *cp)
proto);
err = -EBUSY;
} else
- rcu_assign_pointer(proto_tab[proto], cp);
+ RCU_INIT_POINTER(proto_tab[proto], cp);
mutex_unlock(&proto_tab_lock);
@@ -739,7 +741,7 @@ void can_proto_unregister(const struct can_proto *cp)
mutex_lock(&proto_tab_lock);
BUG_ON(proto_tab[proto] != cp);
- rcu_assign_pointer(proto_tab[proto], NULL);
+ RCU_INIT_POINTER(proto_tab[proto], NULL);
mutex_unlock(&proto_tab_lock);
synchronize_rcu();
@@ -856,7 +858,7 @@ static __exit void can_exit(void)
struct net_device *dev;
if (stats_timer)
- del_timer(&can_stattimer);
+ del_timer_sync(&can_stattimer);
can_remove_proc();