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author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-05-15 18:09:50 +0200 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-05-16 14:42:50 +0200 |
commit | afb6ac598f5c4433ab2aff5932ea2f69f74e75e7 (patch) | |
tree | b796661b844134b458916f7d8565c133c5cfcdd0 | |
parent | f47e22563fcf224411c5460dde6a56a22a602548 (diff) | |
download | linux-stable-afb6ac598f5c4433ab2aff5932ea2f69f74e75e7.tar.gz linux-stable-afb6ac598f5c4433ab2aff5932ea2f69f74e75e7.tar.bz2 linux-stable-afb6ac598f5c4433ab2aff5932ea2f69f74e75e7.zip |
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 <cornelia.huck@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 28 |
1 files 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"); } |