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[media] tlg2300: fix missing check for audio creation

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If we fail to set up the capture device we go through negative indexes and
badness happens. Add the missing test.
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44551

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Alan Cox 2012-09-04 10:43:26 -03:00 committed by Mauro Carvalho Chehab
parent 4699903e4f
commit da35de640a
1 changed files with 4 additions and 0 deletions
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4
drivers/media/usb/tlg2300/pd-alsa.c
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@ -305,6 +305,10 @@ int poseidon_audio_init(struct poseidon *p)
return ret;
ret = snd_pcm_new(card, "poseidon audio", 0, 0, 1, &pcm);
if (ret < 0) {
snd_free_card(card);
return ret;
}
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_capture_ops);
pcm->info_flags = 0;
pcm->private_data = p;