From: John Youn <johnyoun@synopsys.com>
Date: Mon, 28 Mar 2016 23:12:24 +0000 (-0700)
Subject: usb: gadget: composite: Access SSP Dev Cap fields properly
X-Git-Tag: v4.13~3279^2~7^2~2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=08f8cabf715654634a0bae8bee7afea964c6c9cb;p=mirror_ubuntu-bionic-kernel.git

usb: gadget: composite: Access SSP Dev Cap fields properly

Access multi-byte fields of the SSP Dev Cap descriptor using the correct
endianness.

Fixes: f228a8de242a ("usb: gadget: composite: Return SSP Dev Cap descriptor")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a5c62093c26c..de9ffd60fcfa 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -656,7 +656,8 @@ static int bos_desc(struct usb_composite_dev *cdev)
 		ssp_cap->bmAttributes = cpu_to_le32(1);
 
 		/* Min RX/TX Lane Count = 1 */
-		ssp_cap->wFunctionalitySupport = (1 << 8) | (1 << 12);
+		ssp_cap->wFunctionalitySupport =
+			cpu_to_le16((1 << 8) | (1 << 12));
 
 		/*
 		 * bmSublinkSpeedAttr[0]:
@@ -666,7 +667,7 @@ static int bos_desc(struct usb_composite_dev *cdev)
 		 *   LSM = 10 (10 Gbps)
 		 */
 		ssp_cap->bmSublinkSpeedAttr[0] =
-			(3 << 4) | (1 << 14) | (0xa << 16);
+			cpu_to_le32((3 << 4) | (1 << 14) | (0xa << 16));
 		/*
 		 * bmSublinkSpeedAttr[1] =
 		 *   ST  = Symmetric, TX
@@ -675,7 +676,8 @@ static int bos_desc(struct usb_composite_dev *cdev)
 		 *   LSM = 10 (10 Gbps)
 		 */
 		ssp_cap->bmSublinkSpeedAttr[1] =
-			(3 << 4) | (1 << 14) | (0xa << 16) | (1 << 7);
+			cpu_to_le32((3 << 4) | (1 << 14) |
+				    (0xa << 16) | (1 << 7));
 	}
 
 	return le16_to_cpu(bos->wTotalLength);