@@ -718,6 +718,9 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
@@ -757,6 +760,9 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
@@ -802,6 +808,9 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
usb_rcvbulkpipe(usb_dev, 0x4),
cdev->ep4_in_buf, EP4_BUFSIZE,
snd_usb_caiaq_ep4_reply_dispatch, cdev);
+ ret = usb_urb_ep_type_check(cdev->ep4_in_urb);
+ if (ret < 0)
+ goto exit_free_idev;
snd_usb_caiaq_set_auto_msg(cdev, 1, 10, 5);
break;
A few other places in caiaq driver have the URB handling with the fixed endpoints without checking the validity, too. Add the sanity check with the new helper function at each appropriate place for avoiding the spurious kernel warnings due to invalid EPs. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/usb/caiaq/input.c | 9 +++++++++ 1 file changed, 9 insertions(+)