ctcm: invalid return code from hard_start_xmit

Avoid kernel warning by using the correct hard_start_xmit return
code NETDEV_TX_BUSY for skb requeuing.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 8f2a888d0a0a..59ce7fb73089 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -906,11 +906,11 @@ static int ctcm_tx(struct sk_buff *skb, struct net_device *dev)
         }
 
         if (ctcm_test_and_set_busy(dev))
-                return -EBUSY;
+                return NETDEV_TX_BUSY;
 
         dev->trans_start = jiffies;
         if (ctcm_transmit_skb(priv->channel[WRITE], skb) != 0)
-                return 1;
+                return NETDEV_TX_BUSY;
         return 0;
 }