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USB HID: usbkbd/usbmouse - handle errors when registering devices

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Handle errors when registering input devices in usbkbd/usbmouse.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Dmitry Torokhov 2007-04-04 10:40:57 +02:00 committed by Jiri Kosina
parent 66df514b1d
commit 5d6341c606
2 changed files with 20 additions and 8 deletions
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13
drivers/hid/usbhid/usbkbd.c
View File

@ -228,6 +228,7 @@ static int usb_kbd_probe(struct usb_interface *iface,
struct usb_kbd *kbd;
struct input_dev *input_dev;
int i, pipe, maxp;
int error = -ENOMEM;
interface = iface->cur_altsetting;
@ -306,15 +307,19 @@ static int usb_kbd_probe(struct usb_interface *iface,
kbd->led->transfer_dma = kbd->leds_dma;
kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
input_register_device(kbd->dev);
error = input_register_device(kbd->dev);
if (error)
goto fail2;
usb_set_intfdata(iface, kbd);
return 0;
fail2: usb_kbd_free_mem(dev, kbd);
fail1: input_free_device(input_dev);
fail2:
usb_kbd_free_mem(dev, kbd);
fail1:
input_free_device(input_dev);
kfree(kbd);
return -ENOMEM;
return error;
}
static void usb_kbd_disconnect(struct usb_interface *intf)

15
drivers/hid/usbhid/usbmouse.c
View File

@ -120,6 +120,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
struct usb_mouse *mouse;
struct input_dev *input_dev;
int pipe, maxp;
int error = -ENOMEM;
interface = intf->cur_altsetting;
@ -188,15 +189,21 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
mouse->irq->transfer_dma = mouse->data_dma;
mouse->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
input_register_device(mouse->dev);
error = input_register_device(mouse->dev);
if (error)
goto fail3;
usb_set_intfdata(intf, mouse);
return 0;
fail2: usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
fail1: input_free_device(input_dev);
fail3:
usb_free_urb(mouse->irq);
fail2:
usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
fail1:
input_free_device(input_dev);
kfree(mouse);
return -ENOMEM;
return error;
}
static void usb_mouse_disconnect(struct usb_interface *intf)