From df559c1d21ba1a9ee0dcec57567907888484d877 Mon Sep 17 00:00:00 2001
From: Vitaly Kuzmichev <vkuzmichev@mvista.com>
Date: Fri, 13 Aug 2010 17:01:06 +0400
Subject: [PATCH] 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>
---
drivers/usb/gadget/ether.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 283049ebe6..8126f76861 100644
--- 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
--
2.39.5