claw: invalid return codes from hard_start_xmit
Avoid kernel warnings 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>
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 6669adf..a4524ec 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -348,6 +348,8 @@
rc=claw_hw_tx( skb, dev, 1 );
spin_unlock_irqrestore(get_ccwdev_lock(p_ch->cdev), saveflags);
CLAW_DBF_TEXT_(4, trace, "clawtx%d", rc);
+ if (rc)
+ rc = NETDEV_TX_BUSY;
return rc;
} /* end of claw_tx */