V4L/DVB (4413): Konicawc - handle errors from input_register_device()
Compile-tested only (no hardware)
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c
index 6f31ecc..4eee8be 100644
--- a/drivers/media/video/usbvideo/konicawc.c
+++ b/drivers/media/video/usbvideo/konicawc.c
@@ -222,6 +222,7 @@
static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev)
{
struct input_dev *input_dev;
+ int error;
usb_make_path(dev, cam->input_physname, sizeof(cam->input_physname));
strncat(cam->input_physname, "/input0", sizeof(cam->input_physname));
@@ -242,7 +243,13 @@
input_dev->private = cam;
- input_register_device(cam->input);
+ error = input_register_device(cam->input);
+ if (error) {
+ warn("Failed to register camera's input device, err: %d\n",
+ error);
+ input_free_device(cam->input);
+ cam->input = NULL;
+ }
}
static void konicawc_unregister_input(struct konicawc *cam)
