Message ID | 20230316155356.13391-1-valthebrewer@yandex.ru |
---|---|
State | New |
Headers | show |
Series | usb: gadget: net2280: fix NULL pointer dereference | expand |
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 1b929c519cd7..a027d1323993 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -584,8 +584,7 @@ static void net2280_free_request(struct usb_ep *_ep, struct usb_request *_req) ep = container_of(_ep, struct net2280_ep, ep); if (!_ep || !_req) { - dev_err(&ep->dev->pdev->dev, "%s: Invalid ep=%p or req=%p\n", - __func__, _ep, _req); + pr_err("%s: Invalid ep=%p or req=%p\n", __func__, _ep, _req); return; }
In net2280_free_request(): If _ep is NULL, then ep is NULL and is dereferenced while trying to produce an error message. The patch replaces dev_err() with pr_err() which works fine. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 9ceafcc2b3ad ("usb: gadget: net2280: print error in ep_ops error paths") Signed-off-by: Valery Zabrovsky <valthebrewer@yandex.ru> --- drivers/usb/gadget/udc/net2280.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)