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[2620:137:e000::1:20]) by mx.google.com with ESMTP id j67-20020a625546000000b00577c17000e1si1300695pfb.280.2022.12.22.11.18.52; Thu, 22 Dec 2022 11:19:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@ideasonboard.com header.s=mail header.b=ngtNY6j8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235300AbiLVTPY (ORCPT + 99 others); Thu, 22 Dec 2022 14:15:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230206AbiLVTPV (ORCPT ); Thu, 22 Dec 2022 14:15:21 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 346FC27DE4; Thu, 22 Dec 2022 11:15:20 -0800 (PST) Received: from umang.jainideasonboard.com (unknown [IPv6:2401:4900:1f3f:d076:4da6:b729:f032:ed0a]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 42193890; Thu, 22 Dec 2022 20:15:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1671736518; bh=6uYCqoGzATUwi33s8qwvH2BR201HZIZgkpsRD/uga5I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ngtNY6j8Irf0q8DYlJnrYOOiK2jqTxM+kAzkuHj3rAgfw3ZJABT0ddX64ZpV3JJ1P NM9rWtLFodm8PIs2zQIisV8Iswy9mhy0JyIS0qXs3yVy1vdnZ5zXj2speGm+fyQJju VmkFWDDPv1gYfAVBZ0PMD60gGTEPetazrd/wcVY0= From: Umang Jain To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: Greg Kroah-Hartman , Adrien Thierry , Stefan Wahren , Florian Fainelli , Dan Carpenter , Nicolas Saenz Julienne , Phil Elwell , Dave Stevenson , Kieran Bingham , Laurent Pinchart , Umang Jain Subject: [PATCH v2 1/4] staging: vc04_services: Stop leaking platform device on error path Date: Fri, 23 Dec 2022 00:44:57 +0530 Message-Id: <20221222191500.515795-2-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221222191500.515795-1-umang.jain@ideasonboard.com> References: <20221222191500.515795-1-umang.jain@ideasonboard.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752943029703732411?= X-GMAIL-MSGID: =?utf-8?q?1752943029703732411?= vchiq driver registers the child platform devices in vchiq_register_child(). However, in the registration error code path, currently the driver is leaking platform devices by not destroying the return platform device. Plug this leak using platform_device_put() as mentioned in the documentation for platform_device_register(). Signed-off-by: Umang Jain --- drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index dc33490ba7fb..fc7ea7ba97b2 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -1779,6 +1779,7 @@ vchiq_register_child(struct platform_device *pdev, const char *name) child = platform_device_register_full(&pdevinfo); if (IS_ERR(child)) { dev_warn(&pdev->dev, "%s not registered\n", name); + platform_device_put(child); child = NULL; }