From 4263cf0fac28122c8381b6f4f9441a43cd93c81f Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 14 Sep 2006 01:32:39 -0400 Subject: Input: make input_register_handler() return error codes Signed-off-by: Dmitry Torokhov --- drivers/input/mousedev.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) (limited to 'drivers/input/mousedev.c') diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index cd02f1b62b66..a22a74a2a3dc 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -738,7 +738,12 @@ static int psaux_registered; static int __init mousedev_init(void) { - input_register_handler(&mousedev_handler); + struct class_device *cdev; + int error; + + error = input_register_handler(&mousedev_handler); + if (error) + return error; memset(&mousedev_mix, 0, sizeof(struct mousedev)); INIT_LIST_HEAD(&mousedev_mix.list); @@ -747,12 +752,20 @@ static int __init mousedev_init(void) mousedev_mix.exist = 1; mousedev_mix.minor = MOUSEDEV_MIX; - class_device_create(&input_class, NULL, + cdev = class_device_create(&input_class, NULL, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), NULL, "mice"); + if (IS_ERR(cdev)) { + input_unregister_handler(&mousedev_handler); + return PTR_ERR(cdev); + } #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX - if (!(psaux_registered = !misc_register(&psaux_mouse))) - printk(KERN_WARNING "mice: could not misc_register the device\n"); + error = misc_register(&psaux_mouse); + if (error) + printk(KERN_WARNING "mice: could not register psaux device, " + "error: %d\n", error); + else + psaux_registered = 1; #endif printk(KERN_INFO "mice: PS/2 mouse device common for all mice\n"); -- cgit v1.2.3