diff options
Diffstat (limited to 'drivers/net/ethernet/sun/sunvnet.c')
| -rw-r--r-- | drivers/net/ethernet/sun/sunvnet.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 5c5fb59adf76..deb395a82e50 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -559,15 +559,17 @@ static int vnet_ack(struct vnet_port *port, void *msgbuf) return 0; end = pkt->end_idx; - if (unlikely(!idx_is_pending(dr, end))) - return 0; - vp = port->vp; dev = vp->dev; + netif_tx_lock(dev); + if (unlikely(!idx_is_pending(dr, end))) { + netif_tx_unlock(dev); + return 0; + } + /* sync for race conditions with vnet_start_xmit() and tell xmit it * is time to send a trigger. */ - netif_tx_lock(dev); dr->cons = next_idx(end, dr); desc = vio_dring_entry(dr, dr->cons); if (desc->hdr.state == VIO_DESC_READY && port->start_cons) { |