From nobody Mon Apr 13 14:29:32 2026 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 76BD6C4332F for ; Mon, 14 Nov 2022 11:11:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235756AbiKNLLK (ORCPT ); Mon, 14 Nov 2022 06:11:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236748AbiKNLKq (ORCPT ); Mon, 14 Nov 2022 06:10:46 -0500 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C27AC22BF8 for ; Mon, 14 Nov 2022 03:08:21 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.153]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4N9mkm05LVz4f3m6n for ; Mon, 14 Nov 2022 19:08:16 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.102.38]) by APP4 (Coremail) with SMTP id gCh0CgAnmdaiIXJjjUwLAg--.26174S4; Mon, 14 Nov 2022 19:08:19 +0800 (CST) From: Wei Yongjun To: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Thomas Gleixner , Marc Zyngier Cc: Wei Yongjun , openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] irqchip/wpcm450: fix memory leak in ap_init_qci_info() Date: Mon, 14 Nov 2022 11:08:54 +0000 Message-Id: <20221114110854.554220-1-weiyongjun@huaweicloud.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: gCh0CgAnmdaiIXJjjUwLAg--.26174S4 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw4fXw4kAFy5Ar4ftryxXwb_yoW3tFb_u3 yUWr9xXFs2kFWrJ347uF45X34qyF1kWrnYg3WIyry5ZFW2qws3Grn7Z3s8tF47WF4xtrn3 Cr97ZFyxZryxGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUboxYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM28CjxkF64kEwV A0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x02 67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I 0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40E x7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x 0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Y z7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zV AF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4l IxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVW8JVW3Jw CI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnI WIevJa73UjIFyTuYvjxUrku4UUUUU X-CM-SenderInfo: 5zhl50pqjm3046kxt4xhlfz01xgou0bp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Wei Yongjun 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 --- 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-wpcm45= 0-aic.c index 0dcbeb1a05a1..91df62a64cd9 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_nod= e *node, aic->regs =3D of_iomap(node, 0); if (!aic->regs) { pr_err("Failed to map WPCM450 AIC registers\n"); + kfree(aic); return -ENOMEM; } =20 --=20 2.34.1