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usb: gadget: udc: avoid dereference before NULL check in ep_queue

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Coverity: CID 1260069

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John W. Linville 2015-01-06 14:49:47 -05:00 committed by Greg Kroah-Hartman
parent f56e67f0a8
commit f26d29e34e
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/gadget/udc/bdc/bdc_ep.c
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@ -718,10 +718,11 @@ static int ep_queue(struct bdc_ep *ep, struct bdc_req *req)
struct bdc *bdc;
int ret = 0;
bdc = ep->bdc;
if (!req || !ep || !ep->usb_ep.desc)
return -EINVAL;
bdc = ep->bdc;
req->usb_req.actual = 0;
req->usb_req.status = -EINPROGRESS;
req->epnum = ep->ep_num;