diff options
Diffstat (limited to 'drivers/net/wan/hdlc_ppp.c')
-rw-r--r-- | drivers/net/wan/hdlc_ppp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index a2559f213dae..e38a8dca24cb 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -254,6 +254,7 @@ static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code, skb->priority = TC_PRIO_CONTROL; skb->dev = dev; + skb->protocol = htons(ETH_P_HDLC); skb_reset_network_header(skb); skb_queue_tail(&tx_queue, skb); } @@ -571,6 +572,13 @@ static void ppp_timer(unsigned long arg) unsigned long flags; spin_lock_irqsave(&ppp->lock, flags); + /* mod_timer could be called after we entered this function but + * before we got the lock. + */ + if (timer_pending(&proto->timer)) { + spin_unlock_irqrestore(&ppp->lock, flags); + return; + } switch (proto->state) { case STOPPING: case REQ_SENT: |