diff options
| author | Cliff Cai <cliff.cai@analog.com> | 2009-12-10 03:28:39 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-23 19:34:20 (GMT) |
| commit | feef1d952ee1e9ac074640d7029dbbe8501725c2 (patch) | |
| tree | fba4643b1789198955e88345c958fc19a6748246 /drivers/usb/gadget/u_audio.c | |
| parent | d16f172622a7941c4fca09724ce16df5348af5fb (diff) | |
| download | linux-feef1d952ee1e9ac074640d7029dbbe8501725c2.tar.xz | |
USB: audio gadget: free alsa devices when unloading
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 8252595d..35e0930 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; + } } |