From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A402472F8C; Tue, 21 Jul 2026 17:49:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656189; cv=none; b=uCk2kqEb/ypf8lBAPhCDicKdr8yWx6YRW41xw1EM7UlbAYbx5ByF0jphWAszQSjZX6UHO2tY/BzYCwOKKX7YQnniBdivTq1HuqVyHra3olc44tTJ/zd5RNo7X9BdDxS8FtjQ9RhpRwZQ3aJae0llK+0I6IJdUgAQnM5E9thkGGE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656189; c=relaxed/simple; bh=kmvGv40fIl4t7A2n5f5A8ggAISMfL2deCqW09pd0Ip8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=acBMPB9wTMiEKGeYq6iSxkpIXCTovoVE2oWTyHF+/Y0+Azu2hjbtm/xisBuclQ41UhIkQ0eDh5cn4tKJvL6A1KS7bMbly7xIcoOuzv2YLCI/vPBJrz0fFXNIHvPb8TTLqcRp63iFEw0P5FUAA+kDwPgNp5NMaY++yd6cAHrSJMQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=QpAzMmE2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="QpAzMmE2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D107F1F000E9; Tue, 21 Jul 2026 17:49:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784656186; bh=XgmX8206kn93mXyPOoa5ueD3rLHU1YGqyiBPGLDgsv0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=QpAzMmE2xVWRYf5UN1uh4xVlbSSPhE8odSUtBWPYqmGjwtop8ap9mUMeSfTy7Tgad aSHs3W8lrNh2pO8U/pIkLcU+WS7F6QHlezEy8WHA7VrVjNJh6Jr1VKkS9Y4M5og/BN bdm7JhBKOXGrhTwU6L92VROjDKo8vyNg95cfFkBM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuho Choi , Frank Li , Sasha Levin Subject: [PATCH 6.18 0293/1611] ARM: imx3: Fix CCM node reference leak Date: Tue, 21 Jul 2026 17:06:49 +0200 Message-ID: <20260721152521.658246426@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152514.750365251@linuxfoundation.org> References: <20260721152514.750365251@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yuho Choi [ Upstream commit 36d46348eb5fc4bc505cd2290ddd70c25fbe6bb3 ] of_find_compatible_node() returns a referenced device node. The i.MX31 and i.MX35 early init paths use the node to map the CCM registers with of_iomap(), but never drop the node reference. Release the node after the mapping is created. Fixes: 2cf98d12958c ("ARM: imx3: Retrieve the CCM base address from devicetree") Signed-off-by: Yuho Choi Signed-off-by: Frank Li Signed-off-by: Sasha Levin --- arch/arm/mach-imx/mm-imx3.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c index 0788c5cc7f9e64..9b0b014d7fe276 100644 --- a/arch/arm/mach-imx/mm-imx3.c +++ b/arch/arm/mach-imx/mm-imx3.c @@ -106,6 +106,7 @@ void __init imx31_init_early(void) arm_pm_idle = imx31_idle; np = of_find_compatible_node(NULL, NULL, "fsl,imx31-ccm"); mx3_ccm_base = of_iomap(np, 0); + of_node_put(np); BUG_ON(!mx3_ccm_base); } #endif /* ifdef CONFIG_SOC_IMX31 */ @@ -143,6 +144,7 @@ void __init imx35_init_early(void) arch_ioremap_caller = imx3_ioremap_caller; np = of_find_compatible_node(NULL, NULL, "fsl,imx35-ccm"); mx3_ccm_base = of_iomap(np, 0); + of_node_put(np); BUG_ON(!mx3_ccm_base); } #endif /* ifdef CONFIG_SOC_IMX35 */ -- 2.53.0