USB: cdc-acm: fix pipe type of write endpoint

If the write endpoint is interrupt type, usb_sndintpipe() should
be passed to usb_fill_int_urb() instead of usb_sndbulkpipe().

Cc: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 981f2132d1283c44234f4fa79466c4d11241c94e..572f4e7bd3ff2cd5c6524235eb83b93bd1ded461 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1233,7 +1233,7 @@ made_compressed_probe:
 
                if (usb_endpoint_xfer_int(epwrite))
                        usb_fill_int_urb(snd->urb, usb_dev,
-                               usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
+                               usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
                                NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
                else
                        usb_fill_bulk_urb(snd->urb, usb_dev,