The 'tmode' is ctrl->wIndex, changing it as the real test
mode value for register assignment.
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reviewed-by: Jun Li <jun.li@xxxxxxx>
Signed-off-by: Peter Chen <peter.chen@xxxxxxx>
---
drivers/usb/cdns3/ep0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 2465a84e8fee..74a1ff5000ba 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -327,7 +327,8 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev,
if (!set || (tmode & 0xff) != 0)
return -EINVAL;
- switch (tmode >> 8) {
+ tmode >>= 8;
+ switch (tmode) {
case TEST_J:
case TEST_K:
case TEST_SE0_NAK:
--
2.17.1
