Input: USB devices - handle errors when registering input devices
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c
index fedbcb1..64da987 100644
--- a/drivers/usb/input/kbtab.c
+++ b/drivers/usb/input/kbtab.c
@@ -122,6 +122,7 @@
struct usb_endpoint_descriptor *endpoint;
struct kbtab *kbtab;
struct input_dev *input_dev;
+ int error = -ENOMEM;
kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
input_dev = input_allocate_device();
@@ -168,15 +169,19 @@
kbtab->irq->transfer_dma = kbtab->data_dma;
kbtab->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- input_register_device(kbtab->dev);
+ error = input_register_device(kbtab->dev);
+ if (error)
+ goto fail3;
usb_set_intfdata(intf, kbtab);
+
return 0;
-fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
-fail1: input_free_device(input_dev);
+ fail3: usb_free_urb(kbtab->irq);
+ fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
+ fail1: input_free_device(input_dev);
kfree(kbtab);
- return -ENOMEM;
+ return error;
}
static void kbtab_disconnect(struct usb_interface *intf)