usb: gadget: udc: renesas_usb3: fix oops in renesas_usb3_remove()
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Fri, 12 Jan 2018 11:00:56 +0000 (20:00 +0900)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Mon, 12 Feb 2018 08:45:49 +0000 (10:45 +0200)
This patch fixes an issue that the renesas_usb3_remove() causes
NULL pointer dereference because the usb3_to_dev() macro will use
the gadget instance and it will be deleted before.

Fixes: cf06df3fae28 ("usb: gadget: udc: renesas_usb3: move pm_runtime_{en,dis}able()")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/udc/renesas_usb3.c

index 6e87af2..409cde4 100644 (file)
@@ -2410,7 +2410,7 @@ static int renesas_usb3_remove(struct platform_device *pdev)
        __renesas_usb3_ep_free_request(usb3->ep0_req);
        if (usb3->phy)
                phy_put(usb3->phy);
-       pm_runtime_disable(usb3_to_dev(usb3));
+       pm_runtime_disable(&pdev->dev);
 
        return 0;
 }