cdc-wdm: fix endianness bug in debug statements

Values directly from descriptors given in debug statements
must be converted to native endianness.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index cdc93d066991..8e32b8d8115e 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -245,7 +245,7 @@ static void wdm_int_callback(struct urb *urb)
         case USB_CDC_NOTIFY_RESPONSE_AVAILABLE:
                 dev_dbg(&desc->intf->dev,
                         "NOTIFY_RESPONSE_AVAILABLE received: index %d len %d",
-                        dr->wIndex, dr->wLength);
+                        le16_to_cpu(dr->wIndex), le16_to_cpu(dr->wLength));
                 break;
 
         case USB_CDC_NOTIFY_NETWORK_CONNECTION:
@@ -262,7 +262,9 @@ static void wdm_int_callback(struct urb *urb)
                 clear_bit(WDM_POLL_RUNNING, &desc->flags);
                 dev_err(&desc->intf->dev,
                         "unknown notification %d received: index %d len %d\n",
-                        dr->bNotificationType, dr->wIndex, dr->wLength);
+                        dr->bNotificationType,
+                        le16_to_cpu(dr->wIndex),
+                        le16_to_cpu(dr->wLength));
                 goto exit;
         }
 
@@ -402,7 +404,7 @@ static ssize_t wdm_write
                              USB_RECIP_INTERFACE);
         req->bRequest = USB_CDC_SEND_ENCAPSULATED_COMMAND;
         req->wValue = 0;
-        req->wIndex = desc->inum;
+        req->wIndex = desc->inum; /* already converted */
         req->wLength = cpu_to_le16(count);
         set_bit(WDM_IN_USE, &desc->flags);
         desc->outbuf = buf;
@@ -416,7 +418,7 @@ static ssize_t wdm_write
                 goto out_free_mem_pm;
         } else {
                 dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
-                        req->wIndex);
+                        le16_to_cpu(req->wIndex));
         }
 
         usb_autopm_put_interface(desc->intf);
@@ -821,7 +823,7 @@ static int wdm_create(struct usb_interface *intf, struct usb_endpoint_descriptor
         desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
         desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE;
         desc->irq->wValue = 0;
-        desc->irq->wIndex = desc->inum;
+        desc->irq->wIndex = desc->inum; /* already converted */
         desc->irq->wLength = cpu_to_le16(desc->wMaxCommand);
 
         usb_fill_control_urb(