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can: dev: can_put_echo_skb(): print number of echo_skb that is occupied

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This patch prints the number of the occupied echo_skb, to ease
implementing and debugging of new drivers.

Link: https://lore.kernel.org/r/20200915223527.1417033-11-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-09-16 00:35:00 +02:00
parent d77cd7fefc
commit 87245f1f11
1 changed files with 1 additions and 1 deletions
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2
drivers/net/can/dev.c
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@ -463,7 +463,7 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
priv->echo_skb[idx] = skb;
} else {
/* locking problem with netif_stop_queue() ?? */
netdev_err(dev, "%s: BUG! echo_skb is occupied!\n", __func__);
netdev_err(dev, "%s: BUG! echo_skb %d is occupied!\n", __func__, idx);
kfree_skb(skb);
}
}