From patchwork Thu Nov 23 07:33:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinghao Liu X-Patchwork-Id: 13465896 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C63D8C5AD4C for ; Thu, 23 Nov 2023 08:08:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 224AF10E6D9; Thu, 23 Nov 2023 08:08:39 +0000 (UTC) X-Greylist: delayed 352 seconds by postgrey-1.36 at gabe; Thu, 23 Nov 2023 07:42:10 UTC Received: from zg8tndyumtaxlji0oc4xnzya.icoremail.net (zg8tndyumtaxlji0oc4xnzya.icoremail.net [46.101.248.176]) by gabe.freedesktop.org (Postfix) with ESMTP id 66B4410E6DB; Thu, 23 Nov 2023 07:42:10 +0000 (UTC) Received: from localhost.localdomain (unknown [10.190.64.46]) by mail-app3 (Coremail) with SMTP id cC_KCgB3OOBjAF9l5MF0AQ--.22860S4; Thu, 23 Nov 2023 15:34:02 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn Subject: [PATCH] drm/amd/pm: fix a memleak in aldebaran_tables_init Date: Thu, 23 Nov 2023 15:33:22 +0800 Message-Id: <20231123073325.16843-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: cC_KCgB3OOBjAF9l5MF0AQ--.22860S4 X-Coremail-Antispam: 1UD129KBjvdXoW7JFW7trW3uFW3WFy5Jr18Krg_yoWDurc_Wr y8X3sxZ3s5JFyDJF12yFsIqFyI9an3ur1kJw1vqasIgr1UJr48urW2qF1kuw4fZF17AF4q q3WkWw1rZrsxJjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbskFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4UJVW0owA2z4x0Y4vEx4A2 jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52 x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWU GwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI4 8JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2xKxwCF04k20xvY 0x0EwIxGrwCF04k20xvE74AGY7Cv6cx26r4fKr1UJr1l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr 1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE 14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7 IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E 87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73Uj IFyTuYvjfUoOJ5UUUUU X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgkMBmVKSCoDUABdsC X-Mailman-Approved-At: Thu, 23 Nov 2023 08:08:36 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yifan Zhang , Lijo Lazar , Yang Wang , dri-devel@lists.freedesktop.org, "Pan, Xinhui" , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, Le Ma , "Stanley.Yang" , Mario Limonciello , Darren Powell , Alex Deucher , Evan Quan , =?utf-8?q?Christian_K=C3=B6nig?= , Hawking Zhang Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" When kzalloc() for smu_table->ecc_table fails, we should free the previously allocated resources to prevent memleak. Fixes: edd794208555 ("drm/amd/pm: add message smu to get ecc_table v2") Signed-off-by: Dinghao Liu --- drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index 1a6675d70a4b..f1440869d1ce 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -257,8 +257,11 @@ static int aldebaran_tables_init(struct smu_context *smu) } smu_table->ecc_table = kzalloc(tables[SMU_TABLE_ECCINFO].size, GFP_KERNEL); - if (!smu_table->ecc_table) + if (!smu_table->ecc_table) { + kfree(smu_table->metrics_table); + kfree(smu_table->gpu_metrics_table); return -ENOMEM; + } return 0; }