From ab52cd66ae4c3e097811b6c370de7fc057959419 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 29 Jan 2006 21:52:18 -0500 Subject: [PATCH] Input: turbografx - handle errors from input_register_device() Also tgfx_remove shouldn't be marked __exit as it is also called from __init code. Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/turbografx.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index 7e9764937d..b154938e88 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -204,14 +204,14 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) if (n_buttons[i] > 6) { printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]); err = -EINVAL; - goto err_free_devs; + goto err_unreg_devs; } tgfx->dev[i] = input_dev = input_allocate_device(); if (!input_dev) { printk(KERN_ERR "turbografx.c: Not enough memory for input device\n"); err = -ENOMEM; - goto err_free_devs; + goto err_unreg_devs; } tgfx->sticks |= (1 << i); @@ -238,7 +238,9 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) for (j = 0; j < n_buttons[i]; j++) set_bit(tgfx_buttons[j], input_dev->keybit); - input_register_device(tgfx->dev[i]); + err = input_register_device(tgfx->dev[i]); + if (err) + goto err_free_dev; } if (!tgfx->sticks) { @@ -249,9 +251,12 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) return tgfx; - err_free_devs: + err_free_dev: + input_free_device(tgfx->dev[i]); + err_unreg_devs: while (--i >= 0) - input_unregister_device(tgfx->dev[i]); + if (tgfx->dev[i]) + input_unregister_device(tgfx->dev[i]); err_free_tgfx: kfree(tgfx); err_unreg_pardev: @@ -262,7 +267,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) return ERR_PTR(err); } -static void __exit tgfx_remove(struct tgfx *tgfx) +static void tgfx_remove(struct tgfx *tgfx) { int i; @@ -300,7 +305,8 @@ static int __init tgfx_init(void) if (err) { while (--i >= 0) - tgfx_remove(tgfx_base[i]); + if (tgfx_base[i]) + tgfx_remove(tgfx_base[i]); return err; } -- 2.39.5