[PATCH v1 3/4] usb: usb-uclass.c: Drop le16_to_cpu() as values are already swapped

Stefan Roese sr at denx.de
Thu Jul 2 10:47:32 CEST 2020


These values are already swapped to CPU endianess, so swapping them
again is a bug. Let's remove the swap here instead.

Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Bin Meng <bmeng.cn at gmail.com>
Cc: Marek Vasut <marex at denx.de>
---

 drivers/usb/host/usb-uclass.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c
index cb79dfbbd5..aa08d4ffc6 100644
--- a/drivers/usb/host/usb-uclass.c
+++ b/drivers/usb/host/usb-uclass.c
@@ -416,21 +416,21 @@ static int usb_match_device(const struct usb_device_descriptor *desc,
 			    const struct usb_device_id *id)
 {
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
-	    id->idVendor != le16_to_cpu(desc->idVendor))
+	    id->idVendor != desc->idVendor)
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
-	    id->idProduct != le16_to_cpu(desc->idProduct))
+	    id->idProduct != desc->idProduct)
 		return 0;
 
 	/* No need to test id->bcdDevice_lo != 0, since 0 is never
 	   greater than any unsigned number. */
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
-	    (id->bcdDevice_lo > le16_to_cpu(desc->bcdDevice)))
+	    (id->bcdDevice_lo > desc->bcdDevice))
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
-	    (id->bcdDevice_hi < le16_to_cpu(desc->bcdDevice)))
+	    (id->bcdDevice_hi < desc->bcdDevice))
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
-- 
2.27.0



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