| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.16 49/81] s390/qeth: handle failure on workqueue creation | Date | Fri, 27 Apr 2018 15:58:51 +0200 |
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4.16-stable review patch. If anyone has any objections, please let me know.
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From: Julian Wiedmann <jwi@linux.ibm.com>
[ Upstream commit a936b1ef37ce1e996533878f4b23944f9444dcdf ]
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/s390/net/qeth_core_main.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -6544,10 +6544,14 @@ 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) @@ -6584,6 +6588,8 @@ 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;
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