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-rw-r--r--sound/usb/caiaq/audio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 7103b0908d13..272844746135 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -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);