sfc: Do not call netif_{stop,wake}_queue() before register_netdev

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index d41a6e34da7d..be9382faf19d 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1027,7 +1027,8 @@ static void efx_start_all(struct efx_nic *efx)
         /* Mark the port as enabled so port reconfigurations can start, then
          * restart the transmit interface early so the watchdog timer stops */
         efx_start_port(efx);
-        efx_wake_queue(efx);
+        if (efx_dev_registered(efx))
+                efx_wake_queue(efx);
 
         efx_for_each_channel(channel, efx)
                 efx_start_channel(channel);
@@ -1102,8 +1103,8 @@ static void efx_stop_all(struct efx_nic *efx)
 
         /* Stop the kernel transmit interface late, so the watchdog
          * timer isn't ticking over the flush */
-        efx_stop_queue(efx);
         if (efx_dev_registered(efx)) {
+                efx_stop_queue(efx);
                 netif_tx_lock_bh(efx->net_dev);
                 netif_tx_unlock_bh(efx->net_dev);
         }