USB-CDC: Correct stat_req initialization

Fix possible oops on stat_req->buf initialization and fix ep0 and
status_ep confusion (last one is just intended for stat_req keeping).

Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
Signed-off-by: Stefano Babic <sbabic@denx.de>

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 283049e..8126f76 100644 (file)
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1726,14 +1726,13 @@ autoconf_fail:
        /* ... and maybe likewise for status transfer */
 #if defined(DEV_CONFIG_CDC)
        if (dev->status_ep) {
-               dev->stat_req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL);
-               dev->stat_req->buf = status_req;
+               dev->stat_req = usb_ep_alloc_request(dev->status_ep, GFP_KERNEL);
                if (!dev->stat_req) {
-                       dev->stat_req->buf=NULL;
-                       usb_ep_free_request (gadget->ep0, dev->req);
+                       usb_ep_free_request (dev->status_ep, dev->req);
 
                        goto fail;
                }
+               dev->stat_req->buf = status_req;
                dev->stat_req->context = NULL;
        }
 #endif