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USB Elan FTDI: check for driver registration status

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Add checking of driver registration status and release allocated resources
if it failed.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Cyrill Gorcunov 2007-04-26 00:38:00 -07:00 committed by Greg Kroah-Hartman
parent f094e4f358
commit 893a342a68
1 changed files with 11 additions and 7 deletions
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18
drivers/usb/misc/ftdi-elan.c
View File

@ -2910,24 +2910,28 @@ static int __init ftdi_elan_init(void)
INIT_LIST_HEAD(&ftdi_static_list);
status_queue = create_singlethread_workqueue("ftdi-status-control");
if (!status_queue)
goto err1;
goto err_status_queue;
command_queue = create_singlethread_workqueue("ftdi-command-engine");
if (!command_queue)
goto err2;
goto err_command_queue;
respond_queue = create_singlethread_workqueue("ftdi-respond-engine");
if (!respond_queue)
goto err3;
goto err_respond_queue;
result = usb_register(&ftdi_elan_driver);
if (result)
if (result) {
destroy_workqueue(status_queue);
destroy_workqueue(command_queue);
destroy_workqueue(respond_queue);
printk(KERN_ERR "usb_register failed. Error number %d\n",
result);
}
return result;
err3:
err_respond_queue:
destroy_workqueue(command_queue);
err2:
err_command_queue:
destroy_workqueue(status_queue);
err1:
err_status_queue:
printk(KERN_ERR "%s couldn't create workqueue\n", ftdi_elan_driver.name);
return -ENOMEM;
}