[PATCH 4.4 080/113] cdc-acm: fix wrong pipe type on rx interrupt xfers

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gavin Li <g...@thegavinli.com>

commit add125054b8727103631dce116361668436ef6a7 upstream.

This fixes the "BOGUS urb xfer" warning logged by usb_submit_urb().

Signed-off-by: Gavin Li <g...@thegavinli.com>
Acked-by: Oliver Neukum <oneu...@suse.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/usb/class/cdc-acm.c |    5 ++---
 drivers/usb/class/cdc-acm.h |    1 -
 2 files changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1336,7 +1336,6 @@ made_compressed_probe:
        spin_lock_init(&acm->write_lock);
        spin_lock_init(&acm->read_lock);
        mutex_init(&acm->mutex);
-       acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress);
        acm->is_int_ep = usb_endpoint_xfer_int(epread);
        if (acm->is_int_ep)
                acm->bInterval = epread->bInterval;
@@ -1376,14 +1375,14 @@ made_compressed_probe:
                urb->transfer_dma = rb->dma;
                if (acm->is_int_ep) {
                        usb_fill_int_urb(urb, acm->dev,
-                                        acm->rx_endpoint,
+                                        usb_rcvintpipe(usb_dev, 
epread->bEndpointAddress),
                                         rb->base,
                                         acm->readsize,
                                         acm_read_bulk_callback, rb,
                                         acm->bInterval);
                } else {
                        usb_fill_bulk_urb(urb, acm->dev,
-                                         acm->rx_endpoint,
+                                         usb_rcvbulkpipe(usb_dev, 
epread->bEndpointAddress),
                                          rb->base,
                                          acm->readsize,
                                          acm_read_bulk_callback, rb);
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -95,7 +95,6 @@ struct acm {
        struct urb *read_urbs[ACM_NR];
        struct acm_rb read_buffers[ACM_NR];
        int rx_buflimit;
-       int rx_endpoint;
        spinlock_t read_lock;
        int write_used;                                 /* number of non-empty 
write buffers */
        int transmitting;