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authorSebastian Ott <sebott@linux.vnet.ibm.com>2012-05-15 18:09:50 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-05-16 14:42:50 +0200
commitafb6ac598f5c4433ab2aff5932ea2f69f74e75e7 (patch)
treeb796661b844134b458916f7d8565c133c5cfcdd0 /drivers/s390
parentf47e22563fcf224411c5460dde6a56a22a602548 (diff)
downloadop-kernel-dev-afb6ac598f5c4433ab2aff5932ea2f69f74e75e7.zip
op-kernel-dev-afb6ac598f5c4433ab2aff5932ea2f69f74e75e7.tar.gz
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>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_core_main.c28
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 a628f56..739e856 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");
}
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