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can: add can_free_echo_skb() for upcoming drivers

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This patch adds the function can_free_echo_skb to the CAN
device interface to allow upcoming drivers to release echo
skb's in case of error.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wolfgang Grandegger 2009-09-01 05:26:12 +00:00 • committed by David S. Miller
parent fab4e76373
commit 39e3ab6fde
2 changed files with 18 additions and 1 deletions
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1
include/linux/can/dev.h
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@ -66,5 +66,6 @@ void can_bus_off(struct net_device *dev);
void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, int idx);
void can_get_echo_skb(struct net_device *dev, int idx);
void can_free_echo_skb(struct net_device *dev, int idx);
#endif /* CAN_DEV_H */