diff options
-rw-r--r-- | sound/usb/quirks.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 4a650ab1d9e..62b955b42ac 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -164,6 +164,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip, return -EINVAL; } alts = &iface->altsetting[fp->altset_idx]; + if (get_iface_desc(alts)->bNumEndpoints < 1) { + kfree(fp); + kfree(rate_table); + return -EINVAL; + } + fp->datainterval = snd_usb_parse_datainterval(chip, alts); fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); usb_set_interface(chip->dev, fp->iface, 0); |