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Input: keyboards - handle errors when registering input devices

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
2006-11-05 22:39:56 -05:00
parent 41ad5fbabd
commit 2b03b60e6b
10 changed files with 234 additions and 92 deletions
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22
drivers/input/keyboard/amikbd.c
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@@ -190,7 +190,7 @@ static int __init amikbd_init(void)
int i, j;
if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
return -EIO;
return -ENODEV;
if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb"))
return -EBUSY;
@@ -198,8 +198,8 @@ static int __init amikbd_init(void)
amikbd_dev = input_allocate_device();
if (!amikbd_dev) {
printk(KERN_ERR "amikbd: not enough memory for input device\n");
release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
return -ENOMEM;
err = -ENOMEM;
goto fail1;
}
amikbd_dev->name = "Amiga Keyboard";
@@ -231,10 +231,22 @@ static int __init amikbd_init(void)
memcpy(key_maps[i], temp_map, sizeof(temp_map));
}
ciaa.cra &= ~0x41; /* serial data in, turn off TA */
request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd", amikbd_interrupt);
if (request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
amikbd_interrupt)) {
err = -EBUSY;
goto fail2;
}
err = input_register_device(amikbd_dev);
if (err)
goto fail3;
input_register_device(amikbd_dev);
return 0;
fail3: free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
fail2: input_free_device(amikbd_dev);
fail1: release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
return err;
}
static void __exit amikbd_exit(void)