diff options
| author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-14 20:49:04 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-14 20:49:04 +0400 |
| commit | 452f236fcf845ba95c2f984f3157493e07383792 (patch) | |
| tree | 43973519bf6c27b7c64c778e6f128454b08e5ab9 /drivers/media/usb | |
| parent | b49eb2bd71c39fb69ae9001dac9f07ae6259f9ef (diff) | |
| download | linux-452f236fcf845ba95c2f984f3157493e07383792.tar.xz | |
em28xx-alsa: Fix error patch for init/fini
If something bad happens during init, we free the card data.
However, we still keep it initialized, causing some dependent
code to be called at .fini.
Fix it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-audio.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c index 1563f71a5ea2..45bea1adc11c 100644 --- a/drivers/media/usb/em28xx/em28xx-audio.c +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -948,6 +948,7 @@ urb_free: card_free: snd_card_free(card); + adev->sndcard = NULL; return err; } @@ -966,12 +967,12 @@ static int em28xx_audio_fini(struct em28xx *dev) em28xx_info("Closing audio extension"); - snd_card_disconnect(dev->adev.sndcard); - flush_work(&dev->wq_trigger); + if (dev->adev.sndcard) { + snd_card_disconnect(dev->adev.sndcard); + flush_work(&dev->wq_trigger); - em28xx_audio_free_urb(dev); + em28xx_audio_free_urb(dev); - if (dev->adev.sndcard) { snd_card_free(dev->adev.sndcard); dev->adev.sndcard = NULL; } |