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 549B4C072A2 for ; Wed, 15 Nov 2023 19:54:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343501AbjKOTyj (ORCPT ); Wed, 15 Nov 2023 14:54:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343514AbjKOTyi (ORCPT ); Wed, 15 Nov 2023 14:54:38 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D99A812C for ; Wed, 15 Nov 2023 11:54:34 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5634CC433C8; Wed, 15 Nov 2023 19:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700078074; bh=shEVU7kp3vXW/azF+fvD5RhIrpwTIMJB+u6vPet+9xg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FE885dwYqPTB7Isd5K0QwmUypa+Z62hAfD6jlofA212fzIxMHmPvPhqsA4nCR6Axh 03Zu/KZKVaMeQQ25X2rv89EaQdu9uzLgvQrxdo6HGRIb8spO/smq/4QCWRIntxCEss tBlQGVbltAyk25lT5p4lflEhafe1TmrAkJwe1nI4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dan Carpenter , Stephen Boyd , Sasha Levin Subject: [PATCH 6.1 095/379] clk: keystone: pll: fix a couple NULL vs IS_ERR() checks Date: Wed, 15 Nov 2023 14:22:50 -0500 Message-ID: <20231115192650.756818099@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115192645.143643130@linuxfoundation.org> References: <20231115192645.143643130@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter [ Upstream commit a5d14f8b551eb1551c10053653ee8e27f19672fa ] The clk_register_divider() and clk_register_mux() functions returns error pointers on error but this code checks for NULL. Fix that. Fixes: b9e0d40c0d83 ("clk: keystone: add Keystone PLL clock driver") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/d9da4c97-0da9-499f-9a21-1f8e3f148dc1@moroto.mountain Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/keystone/pll.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c index ee5c72369334f..6bbdd4705d71f 100644 --- a/drivers/clk/keystone/pll.c +++ b/drivers/clk/keystone/pll.c @@ -281,12 +281,13 @@ static void __init of_pll_div_clk_init(struct device_node *node) clk = clk_register_divider(NULL, clk_name, parent_name, 0, reg, shift, mask, 0, NULL); - if (clk) { - of_clk_add_provider(node, of_clk_src_simple_get, clk); - } else { + if (IS_ERR(clk)) { pr_err("%s: error registering divider %s\n", __func__, clk_name); iounmap(reg); + return; } + + of_clk_add_provider(node, of_clk_src_simple_get, clk); } CLK_OF_DECLARE(pll_divider_clock, "ti,keystone,pll-divider-clock", of_pll_div_clk_init); @@ -328,10 +329,12 @@ static void __init of_pll_mux_clk_init(struct device_node *node) clk = clk_register_mux(NULL, clk_name, (const char **)&parents, ARRAY_SIZE(parents) , 0, reg, shift, mask, 0, NULL); - if (clk) - of_clk_add_provider(node, of_clk_src_simple_get, clk); - else + if (IS_ERR(clk)) { pr_err("%s: error registering mux %s\n", __func__, clk_name); + return; + } + + of_clk_add_provider(node, of_clk_src_simple_get, clk); } CLK_OF_DECLARE(pll_mux_clock, "ti,keystone,pll-mux-clock", of_pll_mux_clk_init); -- 2.42.0