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s390/qeth: handle failure on workqueue creation

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Creating the global workqueue during driver init may fail, deal with it.
Also, destroy the created workqueue on any subsequent error.

Fixes: 0f54761d16 ("qeth: Support VEPA mode")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2018-04-19 12:52:08 +02:00 committed by David S. Miller
parent 901e3f49fa
commit a936b1ef37
1 changed files with 7 additions and 1 deletions
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8
drivers/s390/net/qeth_core_main.c
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@ -6540,10 +6540,14 @@ static int __init qeth_core_init(void)
mutex_init(&qeth_mod_mutex);
qeth_wq = create_singlethread_workqueue("qeth_wq");
if (!qeth_wq) {
rc = -ENOMEM;
goto out_err;
}
rc = qeth_register_dbf_views();
if (rc)
goto out_err;
goto dbf_err;
qeth_core_root_dev = root_device_register("qeth");
rc = PTR_ERR_OR_ZERO(qeth_core_root_dev);
if (rc)
@ -6580,6 +6584,8 @@ static int __init qeth_core_init(void)
root_device_unregister(qeth_core_root_dev);
register_err:
qeth_unregister_dbf_views();
dbf_err:
destroy_workqueue(qeth_wq);
out_err:
pr_err("Initializing the qeth device driver failed\n");
return rc;