From patchwork Wed May 12 14:43:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 436476 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A248AC4363C for ; Wed, 12 May 2021 16:37:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D10A61107 for ; Wed, 12 May 2021 16:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237626AbhELQiJ (ORCPT ); Wed, 12 May 2021 12:38:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:42846 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237186AbhELQ3c (ORCPT ); Wed, 12 May 2021 12:29:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2395C613BF; Wed, 12 May 2021 15:56:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620835015; bh=Td/5myFdWw9qdtMRfMoQUql1CFD33xZcNdVmKyVfkEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jfKtOL+vFAPIKDQ60Oe0u2PLQNhcZI6huZMjQJbWvd6GNXwHTQVtrbZaup74o2S4/ F99pNpAFNZ3a0ED+uBBPuQWnwdbn1zuekavHalOjFz6i7YzWWs07EhfNSAWQavWHzr 9p7ulcEJrYCM4rP/Ui9iq25b1whtcJRgtJhnimLA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Heikki Krogerus , Wei Yongjun , Sasha Levin Subject: [PATCH 5.12 174/677] usb: typec: tps6598x: Fix return value check in tps6598x_probe() Date: Wed, 12 May 2021 16:43:40 +0200 Message-Id: <20210512144843.016334856@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144837.204217980@linuxfoundation.org> References: <20210512144837.204217980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wei Yongjun [ Upstream commit 604c75893a01c8a3b5bd6dac55535963cd44c3f5 ] In case of error, the function device_get_named_child_node() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes: 18a6c866bb19 ("usb: typec: tps6598x: Add USB role switching logic") Reported-by: Hulk Robot Reviewed-by: Heikki Krogerus Signed-off-by: Wei Yongjun Link: https://lore.kernel.org/r/20210308094841.3587751-1-weiyongjun1@huawei.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/typec/tps6598x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index 29bd1c5a283c..4038104568f5 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -614,8 +614,8 @@ static int tps6598x_probe(struct i2c_client *client) return ret; fwnode = device_get_named_child_node(&client->dev, "connector"); - if (IS_ERR(fwnode)) - return PTR_ERR(fwnode); + if (!fwnode) + return -ENODEV; tps->role_sw = fwnode_usb_role_switch_get(fwnode); if (IS_ERR(tps->role_sw)) {