From 56b8df11345452103a75060a44429751ce71ee97 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Tue, 8 Aug 2006 15:48:06 -0300 Subject: [PATCH] V4L/DVB (4413): Konicawc - handle errors from input_register_device() Compile-tested only (no hardware) Signed-off-by: Dmitry Torokhov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvideo/konicawc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c index 6f31ecc88843..4eee8be88314 100644 --- a/drivers/media/video/usbvideo/konicawc.c +++ b/drivers/media/video/usbvideo/konicawc.c @@ -222,6 +222,7 @@ static void konicawc_adjust_picture(struct uvd *uvd) 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 @@ static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev 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) -- 2.20.1