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 33C5AC433EF for ; Tue, 19 Apr 2022 18:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356577AbiDSSSR (ORCPT ); Tue, 19 Apr 2022 14:18:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356474AbiDSSRH (ORCPT ); Tue, 19 Apr 2022 14:17:07 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2293C3E5F4; Tue, 19 Apr 2022 11:12:49 -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 C5CCFB818EE; Tue, 19 Apr 2022 18:12:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB51AC385A7; Tue, 19 Apr 2022 18:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650391966; bh=/gJsLD6N+b5xNTzzF4Bzt0cAnW+Ky2AHaiBFQ8+lpCo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EfifMF0Ph8Cg41DkvZVkGPYBaTukJE5rHLlLVeq0BiOl35MmGEoiWxYQR0Xv3b46o vjdXgq57pu9Uf89/TMsHzMX2QZOLsYDCzDlZRjiffJr7sDChhdH78HvpPhXDTTeMdE l915aigEKCDracK8/kfsY09R6afNOS5gFQTUgjSgq0Dapzi0JjzrMpC0ETlsDQdNpw ck0i0Y9Hiu8twP8k2BrJEk3pGlHVi9UoYhU5Q6UbLj7iBqVmk34H3KYef2XoUPg2sj olX1HZFld4mkkyZVt5Mi3S+dXQhJRD9m5BlNkqTNgM9vof8f+44mKB0ij2hxtYeH0I 1IzbJm32G6pFw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Heiner Kallweit , Biju Das , Philipp Zabel , Sasha Levin Subject: [PATCH AUTOSEL 5.15 02/27] reset: renesas: Check return value of reset_control_deassert() Date: Tue, 19 Apr 2022 14:12:17 -0400 Message-Id: <20220419181242.485308-2-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220419181242.485308-1-sashal@kernel.org> References: <20220419181242.485308-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiner Kallweit [ Upstream commit da18980a855edf44270f05455e0ec3f2472f64cc ] Deasserting the reset is vital, therefore bail out in case of error. Suggested-by: Biju Das Signed-off-by: Heiner Kallweit Reviewed-by: Biju Das Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@gmail.com Signed-off-by: Philipp Zabel Signed-off-by: Sasha Levin --- drivers/reset/reset-rzg2l-usbphy-ctrl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c index 1e8315038850..a8dde4606360 100644 --- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c +++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c @@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(priv->rstc), "failed to get reset\n"); - reset_control_deassert(priv->rstc); + error = reset_control_deassert(priv->rstc); + if (error) + return error; priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops; priv->rcdev.of_reset_n_cells = 1; -- 2.35.1