diff options
Diffstat (limited to 'drivers/usb/gadget/u_audio.c')
| -rw-r--r-- | drivers/usb/gadget/u_audio.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/usb/gadget/u_audio.c b/drivers/usb/gadget/u_audio.c index 8252595d619d..35e0930f5bbb 100644 --- a/drivers/usb/gadget/u_audio.c +++ b/drivers/usb/gadget/u_audio.c @@ -288,6 +288,7 @@ static int gaudio_close_snd_dev(struct gaudio *gau) return 0; } +static struct gaudio *the_card; /** * gaudio_setup - setup ALSA interface and preparing for USB transfer * @@ -303,6 +304,9 @@ int __init gaudio_setup(struct gaudio *card) if (ret) ERROR(card, "we need at least one control device\n"); + if (!the_card) + the_card = card; + return ret; } @@ -312,9 +316,11 @@ int __init gaudio_setup(struct gaudio *card) * * This is called to free all resources allocated by @gaudio_setup(). */ -void gaudio_cleanup(struct gaudio *card) +void gaudio_cleanup(void) { - if (card) - gaudio_close_snd_dev(card); + if (the_card) { + gaudio_close_snd_dev(the_card); + the_card = NULL; + } } |