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 91478C4332F for ; Mon, 18 Apr 2022 14:09:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241410AbiDROME (ORCPT ); Mon, 18 Apr 2022 10:12:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344593AbiDROKh (ORCPT ); Mon, 18 Apr 2022 10:10:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C431D37019; Mon, 18 Apr 2022 06:10:52 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 92AA060EFE; Mon, 18 Apr 2022 13:10:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 825AFC385A8; Mon, 18 Apr 2022 13:10:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1650287450; bh=+W1pEGywuuq5Q/lFubko9EnaErPbouRfVAZBn4hNui4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=afHYvjYGN1K6jBzFyBY3fE0P4/IjKpupu6B43eLP8Nqcy987LzEddnBvE7pzxPPs0 ot4c+Pp+SRNkpJG45qCefWICTcharF6vJtIiGey7iAmbqnaV3sHIZPPq7qDe46S2vf z14fl3xD7lXuVAd8HH1ehsIrpe+9t2TM81SGqPu4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiasheng Jiang , Charles Keepax , Alexandre Belloni , Sasha Levin Subject: [PATCH 4.9 163/218] rtc: wm8350: Handle error for wm8350_register_irq Date: Mon, 18 Apr 2022 14:13:49 +0200 Message-Id: <20220418121204.890836467@linuxfoundation.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220418121158.636999985@linuxfoundation.org> References: <20220418121158.636999985@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: Jiasheng Jiang [ Upstream commit 43f0269b6b89c1eec4ef83c48035608f4dcdd886 ] As the potential failure of the wm8350_register_irq(), it should be better to check it and return error if fails. Also, it need not free 'wm_rtc->rtc' since it will be freed automatically. Fixes: 077eaf5b40ec ("rtc: rtc-wm8350: add support for WM8350 RTC") Signed-off-by: Jiasheng Jiang Acked-by: Charles Keepax Signed-off-by: Alexandre Belloni Link: https://lore.kernel.org/r/20220303085030.291793-1-jiasheng@iscas.ac.cn Signed-off-by: Sasha Levin --- drivers/rtc/rtc-wm8350.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c index fa247deb9cf4..b45d7d9b8c06 100644 --- a/drivers/rtc/rtc-wm8350.c +++ b/drivers/rtc/rtc-wm8350.c @@ -443,14 +443,21 @@ static int wm8350_rtc_probe(struct platform_device *pdev) return ret; } - wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350_rtc_update_handler, 0, "RTC Seconds", wm8350); + if (ret) + return ret; + wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC); - wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM, + ret = wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM, wm8350_rtc_alarm_handler, 0, "RTC Alarm", wm8350); + if (ret) { + wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350); + return ret; + } return 0; } -- 2.35.1