iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ALSA: usb: caiaq: check for cdev->n_streams > 1

Browse Source 
Coverity spotted a possible DIV0 condition when cdev->n_streams is 0.

Fix this by making sure the value is > 1 in snd_usb_caiaq_audio_init().

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Daniel Mack 2014-10-07 14:25:13 +02:00 committed by Takashi Iwai
parent 9d36a7dc4d
commit 897c329bcb
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sound/usb/caiaq/audio.c
View File

@ -816,6 +816,11 @@ int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *cdev)
return -EINVAL;
}
if (cdev->n_streams < 2) {
dev_err(dev, "bogus number of streams: %d\n", cdev->n_streams);
return -EINVAL;
}
ret = snd_pcm_new(cdev->chip.card, cdev->product_name, 0,
cdev->n_audio_out, cdev->n_audio_in, &cdev->pcm);