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Commit 893a342a authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Greg Kroah-Hartman
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USB Elan FTDI: check for driver registration status



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

Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f094e4f3
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+11 −7
Original line number Diff line number Diff line
@@ -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;
}