diff options
| author |   Julian Wiedmann <jwi@linux.ibm.com> | 2018-04-19 12:52:08 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-04-22 14:42:31 -0400 |
| commit | a936b1ef37ce1e996533878f4b23944f9444dcdf (patch) | |
| tree | 4ce573f7a3b5e42da9b3f054df06530bfe6463c1 /drivers | |
| parent | s390/qeth: avoid control IO completion stalls (diff) | |
| download | linux-dev-a936b1ef37ce1e996533878f4b23944f9444dcdf.tar.xz linux-dev-a936b1ef37ce1e996533878f4b23944f9444dcdf.zip | |
s390/qeth: handle failure on workqueue creation
Creating the global workqueue during driver init may fail, deal with it.
Also, destroy the created workqueue on any subsequent error.
Fixes: 0f54761d167f ("qeth: Support VEPA mode")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 5ec47c6ebaa6..9a08b545d018 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -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 @@ slab_err: 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; |