diff options
Diffstat (limited to 'sound/isa/es18xx.c')
-rw-r--r-- | sound/isa/es18xx.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index 34d4713..bf5de07 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -1877,6 +1877,9 @@ MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver."); +static struct platform_device *platform_devices[SNDRV_CARDS]; +static int pnp_registered; + #ifdef CONFIG_PNP static struct pnp_card_device_id snd_audiodrive_pnpids[] = { @@ -2202,6 +2205,17 @@ static struct pnp_card_driver es18xx_pnpc_driver = { }; #endif /* CONFIG_PNP */ +static void __init_or_module snd_es18xx_unregister_all(void) +{ + int i; + + if (pnp_registered) + pnp_unregister_card_driver(&es18xx_pnpc_driver); + for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) + platform_device_unregister(platform_devices[i]); + platform_driver_unregister(&snd_es18xx_nonpnp_driver); +} + static int __init alsa_card_es18xx_init(void) { int i, err, cards = 0; @@ -2217,31 +2231,35 @@ static int __init alsa_card_es18xx_init(void) i, NULL, 0); if (IS_ERR(device)) { err = PTR_ERR(device); - platform_driver_unregister(&snd_es18xx_nonpnp_driver); - return err; + goto errout; } + platform_devices[i] = device; cards++; } i = pnp_register_card_driver(&es18xx_pnpc_driver); - if (i > 0) + if (i >= 0) { + pnp_registered = 1; cards += i; + } if(!cards) { - pnp_unregister_card_driver(&es18xx_pnpc_driver); - platform_driver_unregister(&snd_es18xx_nonpnp_driver); #ifdef MODULE snd_printk(KERN_ERR "ESS AudioDrive ES18xx soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + snd_es18xx_unregister_all(); + return err; } static void __exit alsa_card_es18xx_exit(void) { - pnp_unregister_card_driver(&es18xx_pnpc_driver); - platform_driver_unregister(&snd_es18xx_nonpnp_driver); + snd_es18xx_unregister_all(); } module_init(alsa_card_es18xx_init) |