The loop uses up to 3 bytes of the endpoint extra data.
Signed-off-by: Hans de Goede <[email protected]>
---
drivers/usb/storage/uas.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 957ca8a..b14eee2 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -912,7 +912,7 @@ static int uas_find_endpoints(struct usb_host_interface
*alt,
for (i = 0; i < n_endpoints; i++) {
unsigned char *extra = endpoint[i].extra;
int len = endpoint[i].extralen;
- while (len > 1) {
+ while (len >= 3) {
if (extra[1] == USB_DT_PIPE_USAGE) {
unsigned pipe_id = extra[2];
if (pipe_id > 0 && pipe_id < 5)
--
1.8.4.2
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