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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>
This commit is contained in:
Vitaly Kuzmichev 2010-08-13 17:01:06 +04:00 committed by Remy Bohmer
parent 2e12abe654
commit df559c1d21
1 changed files with 3 additions and 4 deletions
drivers/usb/gadget
ether.c

7
drivers/usb/gadget/ether.c
View File

@ -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