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 1F72DC4167B for ; Wed, 28 Dec 2022 14:51:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233077AbiL1OvB (ORCPT ); Wed, 28 Dec 2022 09:51:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233141AbiL1Oub (ORCPT ); Wed, 28 Dec 2022 09:50:31 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B211311C28 for ; Wed, 28 Dec 2022 06:50:30 -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 sin.source.kernel.org (Postfix) with ESMTPS id 0ADE0CE1337 for ; Wed, 28 Dec 2022 14:50:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03032C433D2; Wed, 28 Dec 2022 14:50:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672239027; bh=WKv8zFcSKSXuZRIJ8FZVNeNpus1f0H31HopYeYN6o8w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ny6Wy2wiJeseNtuPf4nwSlS9p/N8EeFjiUjz5kfVH8U6ix8VnSbR3cHOaO5FLYLcG alCwPOsrNNc50UaMkZ53PKlxgrsmbBfOutLL0NbR1/cOYWICK4BLUz8T5cK3jljgSN BjkdFtIVJRaODdrV9OiAUUbhHx196ijFoRd2NKEc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wei Yongjun , =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Marc Zyngier , Sasha Levin Subject: [PATCH 5.15 100/731] irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init() Date: Wed, 28 Dec 2022 15:33:27 +0100 Message-Id: <20221228144259.450635751@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@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: Wei Yongjun [ Upstream commit 4208d4faf36573a507b5e5de17abe342e9276759 ] If of_iomap() failed, 'aic' should be freed before return. Otherwise there is a memory leak. Fixes: fead4dd49663 ("irqchip: Add driver for WPCM450 interrupt controller") Signed-off-by: Wei Yongjun Reviewed-by: Jonathan Neuschäfer Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20221115092532.1704032-1-weiyongjun@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-wpcm450-aic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irq-wpcm450-aic.c b/drivers/irqchip/irq-wpcm450-aic.c index f3ac392d5bc8..36d0d0cf3fa2 100644 --- a/drivers/irqchip/irq-wpcm450-aic.c +++ b/drivers/irqchip/irq-wpcm450-aic.c @@ -146,6 +146,7 @@ static int __init wpcm450_aic_of_init(struct device_node *node, aic->regs = of_iomap(node, 0); if (!aic->regs) { pr_err("Failed to map WPCM450 AIC registers\n"); + kfree(aic); return -ENOMEM; } -- 2.35.1