[PATCH 3/3] usb: storage: realtek_cr: Use correct byte order for bcs->Residue

From: Thorsten Blum
Date: Wed Aug 13 2025 - 06:17:08 EST


Since 'bcs->Residue' has the data type '__le32', we must convert it to
the correct byte order of the CPU using this driver when assigning it to
the local variable 'residue'.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 50a6cb932d5c ("USB: usb_storage: add ums-realtek driver")
Suggested-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
drivers/usb/storage/realtek_cr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 8a4d7c0f2662..758258a569a6 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -253,7 +253,7 @@ static int rts51x_bulk_transport(struct us_data *us, u8 lun,
return USB_STOR_TRANSPORT_ERROR;
}

- residue = bcs->Residue;
+ residue = le32_to_cpu(bcs->Residue);
if (bcs->Tag != us->tag)
return USB_STOR_TRANSPORT_ERROR;

--
2.50.1