From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21DF6CCA48A for ; Mon, 13 Jun 2022 10:31:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245192AbiFMKao (ORCPT ); Mon, 13 Jun 2022 06:30:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345221AbiFMK3c (ORCPT ); Mon, 13 Jun 2022 06:29:32 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC9A0E036; Mon, 13 Jun 2022 03:20:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 284FBB80E93; Mon, 13 Jun 2022 10:20:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97B5CC34114; Mon, 13 Jun 2022 10:20:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655115641; bh=wsDuzAc9NqsM7BkZpBqt7GwC66dvPJnn9XcP8LB5P/c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ryhrdyfJp3qSbHlf5vmGPK7osrPRp68iUmtfHmTrjJhyOXTyOJkGbdS5HO9Nr5lXT hg1cDmX9BXHFTCOn6LkVAgckbM9NJLbpubg7m6gNmqzT65V0qF6S8Acbr+0eVDJEp7 3jp7y8Uq2KXj8W1bUDg86cCSagFvfAoDtFg0Kxuk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shuah Khan , Sasha Levin Subject: [PATCH 4.9 148/167] misc: rtsx: set NULL intfdata when probe fails Date: Mon, 13 Jun 2022 12:10:22 +0200 Message-Id: <20220613094915.603526997@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094840.720778945@linuxfoundation.org> References: <20220613094840.720778945@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Shuah Khan [ Upstream commit f861d36e021e1ac4a0a2a1f6411d623809975d63 ] rtsx_usb_probe() doesn't call usb_set_intfdata() to null out the interface pointer when probe fails. This leaves a stale pointer. Noticed the missing usb_set_intfdata() while debugging an unrelated invalid DMA mapping problem. Fix it with a call to usb_set_intfdata(..., NULL). Signed-off-by: Shuah Khan Link: https://lore.kernel.org/r/20220429210913.46804-1-skhan@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/mfd/rtsx_usb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c index 691dab791f7a..e94f855eac15 100644 --- a/drivers/mfd/rtsx_usb.c +++ b/drivers/mfd/rtsx_usb.c @@ -678,6 +678,7 @@ static int rtsx_usb_probe(struct usb_interface *intf, return 0; out_init_fail: + usb_set_intfdata(ucr->pusb_intf, NULL); usb_free_coherent(ucr->pusb_dev, IOBUF_SIZE, ucr->iobuf, ucr->iobuf_dma); return ret; -- 2.35.1