diff options
Diffstat (limited to 'sound/isa/gus/interwave.c')
| -rw-r--r-- | sound/isa/gus/interwave.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c index 67a5f740245..9838d992b10 100644 --- a/sound/isa/gus/interwave.c +++ b/sound/isa/gus/interwave.c @@ -115,6 +115,9 @@ MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver."); module_param_array(effect, int, NULL, 0444); MODULE_PARM_DESC(effect, "Effects enable for InterWave driver."); +static struct platform_device *platform_devices[SNDRV_CARDS]; +static int pnp_registered; + struct snd_interwave { int irq; struct snd_card *card; @@ -914,6 +917,17 @@ static struct pnp_card_driver interwave_pnpc_driver = { #endif /* CONFIG_PNP */ +static void __init_or_module snd_interwave_unregister_all(void) +{ + int i; + + if (pnp_registered) + pnp_unregister_card_driver(&interwave_pnpc_driver); + for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) + platform_device_unregister(platform_devices[i]); + platform_driver_unregister(&snd_interwave_driver); +} + static int __init alsa_card_interwave_init(void) { int i, err, cards = 0; @@ -931,32 +945,36 @@ static int __init alsa_card_interwave_init(void) i, NULL, 0); if (IS_ERR(device)) { err = PTR_ERR(device); - platform_driver_unregister(&snd_interwave_driver); - return err; + goto errout; } + platform_devices[i] = device; cards++; } /* ISA PnP cards */ i = pnp_register_card_driver(&interwave_pnpc_driver); - if (i > 0) + if (i >= 0) { + pnp_registered = 1; cards += i; + } if (!cards) { - pnp_unregister_card_driver(&interwave_pnpc_driver); - platform_driver_unregister(&snd_interwave_driver); #ifdef MODULE printk(KERN_ERR "InterWave soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + snd_interwave_unregister_all(); + return err; } static void __exit alsa_card_interwave_exit(void) { - pnp_unregister_card_driver(&interwave_pnpc_driver); - platform_driver_unregister(&snd_interwave_driver); + snd_interwave_unregister_all(); } module_init(alsa_card_interwave_init) |