From afb6ac598f5c4433ab2aff5932ea2f69f74e75e7 Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Tue, 15 May 2012 18:09:50 +0200 Subject: s390/qeth: reshuffle initialization Reshuffle the init function of the qeth driver to ensure that the driver is usable at the time it is registered. Reviewed-by: Cornelia Huck Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- drivers/s390/net/qeth_core_main.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index a628f56ae576..739e8566a876 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -5540,43 +5540,41 @@ static int __init qeth_core_init(void) rc = qeth_register_dbf_views(); if (rc) goto out_err; - rc = ccw_driver_register(&qeth_ccw_driver); - if (rc) - goto ccw_err; - qeth_core_ccwgroup_driver.driver.groups = qeth_drv_attr_groups; - rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); - if (rc) - goto ccwgroup_err; qeth_core_root_dev = root_device_register("qeth"); rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0; if (rc) goto register_err; - qeth_core_header_cache = kmem_cache_create("qeth_hdr", sizeof(struct qeth_hdr) + ETH_HLEN, 64, 0, NULL); if (!qeth_core_header_cache) { rc = -ENOMEM; goto slab_err; } - qeth_qdio_outbuf_cache = kmem_cache_create("qeth_buf", sizeof(struct qeth_qdio_out_buffer), 0, 0, NULL); if (!qeth_qdio_outbuf_cache) { rc = -ENOMEM; goto cqslab_err; } + rc = ccw_driver_register(&qeth_ccw_driver); + if (rc) + goto ccw_err; + qeth_core_ccwgroup_driver.driver.groups = qeth_drv_attr_groups; + rc = ccwgroup_driver_register(&qeth_core_ccwgroup_driver); + if (rc) + goto ccwgroup_err; return 0; + +ccwgroup_err: + ccw_driver_unregister(&qeth_ccw_driver); +ccw_err: + kmem_cache_destroy(qeth_qdio_outbuf_cache); cqslab_err: kmem_cache_destroy(qeth_core_header_cache); slab_err: root_device_unregister(qeth_core_root_dev); register_err: - ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); -ccwgroup_err: - ccw_driver_unregister(&qeth_ccw_driver); -ccw_err: - QETH_DBF_MESSAGE(2, "Initialization failed with code %d\n", rc); qeth_unregister_dbf_views(); out_err: pr_err("Initializing the qeth device driver failed\n"); @@ -5585,11 +5583,11 @@ out_err: static void __exit qeth_core_exit(void) { - root_device_unregister(qeth_core_root_dev); ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver); ccw_driver_unregister(&qeth_ccw_driver); kmem_cache_destroy(qeth_qdio_outbuf_cache); kmem_cache_destroy(qeth_core_header_cache); + root_device_unregister(qeth_core_root_dev); qeth_unregister_dbf_views(); pr_info("core functions removed\n"); } -- cgit v1.2.3