Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux...

[firefly-linux-kernel-4.4.55.git] / drivers / usb / gadget / file_storage.c

diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index f7e39b0365cee5de76bc66d1942eeb2e322d6123..11b5196284aed6253180b699094cd7b6dbc762ea 100644 (file)
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -859,7 +859,7 @@ static int class_setup_req(struct fsg_dev *fsg,
                        if (ctrl->bRequestType != (USB_DIR_OUT |
                                        USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                                break;
-                       if (w_index != 0 || w_value != 0) {
+                       if (w_index != 0 || w_value != 0 || w_length != 0) {
                                value = -EDOM;
                                break;
                        }
@@ -875,7 +875,7 @@ static int class_setup_req(struct fsg_dev *fsg,
                        if (ctrl->bRequestType != (USB_DIR_IN |
                                        USB_TYPE_CLASS | USB_RECIP_INTERFACE))
                                break;
-                       if (w_index != 0 || w_value != 0) {
+                       if (w_index != 0 || w_value != 0 || w_length != 1) {
                                value = -EDOM;
                                break;
                        }