diff options
Diffstat (limited to 'sound/usb/caiaq')
-rw-r--r-- | sound/usb/caiaq/device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index d8409d9ae55b..d55ca48de3ea 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -461,6 +461,13 @@ static int init_card(struct snd_usb_caiaqdev *cdev) cdev->midi_out_buf, EP1_BUFSIZE, snd_usb_caiaq_midi_output_done, cdev); + /* sanity checks of EPs before actually submitting */ + if (usb_urb_ep_type_check(&cdev->ep1_in_urb) || + usb_urb_ep_type_check(&cdev->midi_out_urb)) { + dev_err(dev, "invalid EPs\n"); + return -EINVAL; + } + init_waitqueue_head(&cdev->ep1_wait_queue); init_waitqueue_head(&cdev->prepare_wait_queue); |