From 77fc46ca5b331df3fc0ffef24012ba0d51d601b3 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 29 Jan 2006 21:52:11 -0500 Subject: [PATCH] Input: gamecon - handle errors from input_register_device() Also gc_remove shouldn't be marked __exit as it is also called from __init code. Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/gamecon.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index d9757452c9..900587acdb 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -706,9 +706,11 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) sprintf(gc->phys[i], "%s/input%d", gc->pd->port->name, i); err = gc_setup_pad(gc, i, pads[i]); if (err) - goto err_free_devs; + goto err_unreg_devs; - input_register_device(gc->dev[i]); + err = input_register_device(gc->dev[i]); + if (err) + goto err_free_dev; } if (!gc->pads[0]) { @@ -720,9 +722,12 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) parport_put_port(pp); return gc; - err_free_devs: + err_free_dev: + input_free_device(gc->dev[i]); + err_unreg_devs: while (--i >= 0) - input_unregister_device(gc->dev[i]); + if (gc->dev[i]) + input_unregister_device(gc->dev[i]); err_free_gc: kfree(gc); err_unreg_pardev: @@ -733,7 +738,7 @@ static struct gc __init *gc_probe(int parport, int *pads, int n_pads) return ERR_PTR(err); } -static void __exit gc_remove(struct gc *gc) +static void gc_remove(struct gc *gc) { int i; @@ -771,7 +776,8 @@ static int __init gc_init(void) if (err) { while (--i >= 0) - gc_remove(gc_base[i]); + if (gc_base[i]) + gc_remove(gc_base[i]); return err; } -- 2.39.5