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Input: mice - 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 22:40:19 -05:00
parent 127278ce22
commit 721556150e
8 changed files with 154 additions and 60 deletions
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20
drivers/input/mouse/rpcmouse.c
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@@ -66,7 +66,10 @@ static irqreturn_t rpcmouse_irq(int irq, void *dev_id)
static int __init rpcmouse_init(void)
{
if (!(rpcmouse_dev = input_allocate_device()))
int err;
rpcmouse_dev = input_allocate_device();
if (!rpcmouse_dev)
return -ENOMEM;
rpcmouse_dev->name = "Acorn RiscPC Mouse";
@@ -85,13 +88,22 @@ static int __init rpcmouse_init(void)
if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, IRQF_SHARED, "rpcmouse", rpcmouse_dev)) {
printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n");
input_free_device(rpcmouse_dev);
return -EBUSY;
err = -EBUSY;
goto err_free_dev;
}
input_register_device(rpcmouse_dev);
err = input_register_device(rpcmouse_dev);
if (err)
goto err_free_irq;
return 0;
err_free_irq:
free_irq(IRQ_VSYNCPULSE, rpcmouse_dev);
err_free_dev:
input_free_device(rpcmouse_dev);
return err;
}
static void __exit rpcmouse_exit(void)