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netiucv: improve state checking in conn_action_txdone

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state checking in conn_action_txdone() is inconsistent.
This patch makes it consistent and issues a trace message
if an unexpected state is detected for the netiucv device.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun 2013-12-16 09:44:51 +01:00 committed by David S. Miller
parent d207cf4c1a
commit d239ae339e
1 changed files with 6 additions and 2 deletions
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8
drivers/s390/net/netiucv.c
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@ -739,8 +739,12 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
IUCV_DBF_TEXT(trace, 4, __func__);
if (conn && conn->netdev)
privptr = netdev_priv(conn->netdev);
if (!conn || !conn->netdev) {
IUCV_DBF_TEXT(data, 2,
"Send confirmation for unlinked connection\n");
return;
}
privptr = netdev_priv(conn->netdev);
conn->prof.tx_pending--;
if (single_flag) {
if ((skb = skb_dequeue(&conn->commit_queue))) {