diff options
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/at91_can.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 367ccf109652..966980d4b5dd 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -844,15 +844,14 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr) * parked in the echo queue. */ reg_msr = at91_read(priv, AT91_MSR(mb)); - if (likely(reg_msr & AT91_MSR_MRDY && - ~reg_msr & AT91_MSR_MABT)) { - /* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */ - dev->stats.tx_bytes += - can_get_echo_skb(dev, - mb - get_mb_tx_first(priv), - NULL); - dev->stats.tx_packets++; - } + if (unlikely(!(reg_msr & AT91_MSR_MRDY && + ~reg_msr & AT91_MSR_MABT))) + continue; + + /* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */ + dev->stats.tx_bytes += + can_get_echo_skb(dev, mb - get_mb_tx_first(priv), NULL); + dev->stats.tx_packets++; } /* restart queue if we don't have a wrap around but restart if |