Commit 2df69703 authored by Leonardo Potenza's avatar Leonardo Potenza Committed by Dominik Brodowski
Browse files

pcmcia: i82365.c: check request_irq return value 



Add a check for the request_irq() return value.

Signed-off-by: default avatarLeonardo Potenza <lpotenza@inwind.it>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent b3363997

drivers/pcmcia/i82365.c

+27 −12
Original line number Diff line number Diff line
@@ -1263,7 +1263,7 @@ static int __init init_i82365(void) 


    ret = driver_register(&i82365_driver);

    if (ret)

	return ret;

	goto err_out;



    i82365_device = platform_device_alloc("i82365", 0);

    if (i82365_device) {
@@ -1273,10 +1273,8 @@ static int __init init_i82365(void) 
    } else

	    ret = -ENOMEM;



    if (ret) {

	driver_unregister(&i82365_driver);

	return ret;

    }

    if (ret)

	goto err_driver_unregister;



    printk(KERN_INFO "Intel ISA PCIC probe: ");

    sockets = 0;
@@ -1285,15 +1283,16 @@ static int __init init_i82365(void) 


    if (sockets == 0) {

	printk("not found.\n");

	platform_device_unregister(i82365_device);

	release_region(i365_base, 2);

	driver_unregister(&i82365_driver);

	return -ENODEV;

	ret = -ENODEV;

	goto err_dev_unregister;

    }



    /* Set up interrupt handler(s) */

    if (grab_irq != 0)

	request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);

	ret = request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);



    if (ret)

	goto err_socket_release;



    /* register sockets with the pcmcia core */

    for (i = 0; i < sockets; i++) {
@@ -1324,7 +1323,23 @@ static int __init init_i82365(void) 
    }

    

    return 0;

    

err_socket_release:

    for (i = 0; i < sockets; i++) {

	/* Turn off all interrupt sources! */

	i365_set(i, I365_CSCINT, 0);

	release_region(socket[i].ioaddr, 2);

    }

err_dev_unregister:

    platform_device_unregister(i82365_device);

    release_region(i365_base, 2);

#ifdef CONFIG_PNP

    if (i82365_pnpdev)

	pnp_disable_dev(i82365_pnpdev);

#endif

err_driver_unregister:

    driver_unregister(&i82365_driver);

err_out:

    return ret;

} /* init_i82365 */



static void __exit exit_i82365(void)