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x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032133AbeCSSc6 (ORCPT ); Mon, 19 Mar 2018 14:32:58 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54116 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032132AbeCSSc4 (ORCPT ); Mon, 19 Mar 2018 14:32:56 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yoshihiro Shimoda , Felipe Balbi Subject: [PATCH 4.15 48/52] usb: gadget: udc: renesas_usb3: fix oops in renesas_usb3_remove() Date: Mon, 19 Mar 2018 19:08:46 +0100 Message-Id: <20180319180737.612921151@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319180734.976730813@linuxfoundation.org> References: <20180319180734.976730813@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yoshihiro Shimoda commit e3190868e5f52fb26544f16463593d54ce46ce61 upstream. 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 Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/renesas_usb3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2410,7 +2410,7 @@ static int renesas_usb3_remove(struct pl __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; }