diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 78e92d29f8d98777c1294292808b1a868dcfcb7f..c821b4b9647e357468335fca83b3aa980e600315 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -1007,7 +1007,7 @@ int usb_get_bos_descriptor(struct usb_device *dev)
 		case USB_SSP_CAP_TYPE:
 			ssp_cap = (struct usb_ssp_cap_descriptor *)buffer;
 			ssac = (le32_to_cpu(ssp_cap->bmAttributes) &
-				USB_SSP_SUBLINK_SPEED_ATTRIBS) + 1;
+				USB_SSP_SUBLINK_SPEED_ATTRIBS);
 			if (length >= USB_DT_USB_SSP_CAP_SIZE(ssac))
 				dev->bos->ssp_cap = ssp_cap;
 			break;