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authorTakashi Iwai <tiwai@suse.de>2017-11-13 15:43:04 +0100
committerTakashi Iwai <tiwai@suse.de>2017-11-13 15:43:13 +0100
commitc429bda21ffafb28f02fb2eb4055b4ab6879ed58 (patch)
tree80715bf534bfa3bcb69ef77cf1dc5f9d98919b44 /sound/usb/caiaq/device.c
parent75ee94b20b46459e3d29f5ac2c3af3cebdeef777 (diff)
parent9718a29d40b7e5ae4692796eb23c54f25559d35e (diff)
Merge branch 'for-next' into for-linus
Pull 4.15 updates to take over the previous urgent fixes. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/caiaq/device.c')
-rw-r--r--sound/usb/caiaq/device.c7
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);