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 6DFA6C46467 for ; Mon, 16 Jan 2023 17:06:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234206AbjAPRGU (ORCPT ); Mon, 16 Jan 2023 12:06:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234014AbjAPRFw (ORCPT ); Mon, 16 Jan 2023 12:05:52 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2449929E01 for ; Mon, 16 Jan 2023 08:47:18 -0800 (PST) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 927F761042 for ; Mon, 16 Jan 2023 16:47:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A217FC433D2; Mon, 16 Jan 2023 16:47:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887637; bh=g1xzYZGHnsk2ynsRHCNsTmMhklLz6nWuou1CptJl40U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hgO2U2OuikLQOfLQfpxYqtDfTqUKNUm9h2ZS6jeFI7HwLbRbyRVDMVMtEH5wQ2gt9 YLzooH/Mi3tMJnjpCh9H/la98UXvyg0IjSt3z7xnSjwb5F/iFXFCfhXlIewkJfcBzX WVRyXH6q6NZizixTSGYxuzJDOd30gnrLB8rDuYGg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sven Peter , Heikki Krogerus , Sasha Levin Subject: [PATCH 4.19 224/521] usb: typec: Check for ops->exit instead of ops->enter in altmode_exit Date: Mon, 16 Jan 2023 16:48:06 +0100 Message-Id: <20230116154857.185267869@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@linuxfoundation.org> User-Agent: quilt/0.67 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: Sven Peter [ Upstream commit b6ddd180e3d9f92c1e482b3cdeec7dda086b1341 ] typec_altmode_exit checks if ops->enter is not NULL but then calls ops->exit a few lines below. Fix that and check for the function pointer it's about to call instead. Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes") Signed-off-by: Sven Peter Reviewed-by: Heikki Krogerus Link: https://lore.kernel.org/r/20221114165924.33487-1-sven@svenpeter.dev Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/typec/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c index 76299b6ff06d..7605963f71ed 100644 --- a/drivers/usb/typec/bus.c +++ b/drivers/usb/typec/bus.c @@ -126,7 +126,7 @@ int typec_altmode_exit(struct typec_altmode *adev) if (!adev || !adev->active) return 0; - if (!pdev->ops || !pdev->ops->enter) + if (!pdev->ops || !pdev->ops->exit) return -EOPNOTSUPP; /* Moving to USB Safe State */ -- 2.35.1