blob: eaa6209627010f2579cadc56441b6a8efcf26129 [file] [log] [blame]
From: Gavin Li <git@thegavinli.com>
Date: Fri, 12 Aug 2016 00:52:56 -0700
Subject: cdc-acm: fix wrong pipe type on rx interrupt xfers
commit add125054b8727103631dce116361668436ef6a7 upstream.
This fixes the "BOGUS urb xfer" warning logged by usb_submit_urb().
Signed-off-by: Gavin Li <git@thegavinli.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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;
@@ -1386,14 +1385,14 @@ 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;