From: Oliver Neukum <oneu...@suse.de>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 323ece54e0761198946ecd0c2091f1d2bfdfcb64 upstream.
Values directly from descriptors given in debug statements
must be converted to native endianness.
Signed-off-by: Oliver Neukum <oneu...@suse.de>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
drivers/usb/class/cdc-wdm.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 6463ca3bcfba..07133d0c971b 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -244,7 +244,7 @@ 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:
@@ -257,7 +257,9 @@ 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;
}
@@ -403,7 +405,7 @@ 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;
@@ -417,7 +419,7 @@ static ssize_t wdm_write
rv = usb_translate_errors(rv);
} else {
dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
- req->wIndex);
+ le16_to_cpu(req->wIndex));
}
out:
usb_autopm_put_interface(desc->intf);
@@ -780,7 +782,7 @@ 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(
--
2.3.7
--
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