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authorDmitry Torokhov <dtor_core@ameritech.net>2006-01-29 21:52:18 -0500
committerDmitry Torokhov <dtor_core@ameritech.net>2006-01-29 21:52:18 -0500
commitab52cd66ae4c3e097811b6c370de7fc057959419 (patch)
tree89799bc7365560bf76fe441d742b2a679d6cb6ab
parent77fc46ca5b331df3fc0ffef24012ba0d51d601b3 (diff)
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 <dtor@mail.ru>
-rw-r--r--drivers/input/joystick/turbografx.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index 7e9764937d06..b154938e88a4 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;
}