diff mbox

[U-Boot,v2,09/13] usb: Handle audio extension endpoint descriptor in usb_parse_config()

Message ID 1500018315-15918-10-git-send-email-bmeng.cn@gmail.com
State Superseded
Delegated to: Marek Vasut
Headers show

Commit Message

Bin Meng July 14, 2017, 7:45 a.m. UTC 
Normal endpoint descriptor size is 7, but for audio extension it is
9. Handle that correctly when parsing endpoint descriptor.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---

 common/usb.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/common/usb.c b/common/usb.c
index e469534..35408ba 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -437,12 +437,13 @@  static int usb_parse_config(struct usb_device *dev,
 			}
 			break;
 		case USB_DT_ENDPOINT:
-			if (head->bLength != USB_DT_ENDPOINT_SIZE) {
+			if (head->bLength != USB_DT_ENDPOINT_SIZE &&
+			    head->bLength != USB_DT_ENDPOINT_AUDIO_SIZE) {
 				printf("ERROR: Invalid USB EP length (%d)\n",
 					head->bLength);
 				break;
 			}
-			if (index + USB_DT_ENDPOINT_SIZE >
+			if (index + head->bLength >
 			    dev->config.desc.wTotalLength) {
 				puts("USB EP descriptor overflowed buffer!\n");
 				break;