From nobody Wed Feb 11 19:09:39 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 34C8025A324; Tue, 7 Oct 2025 09:44:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759830295; cv=none; b=aNegn6uwTa5/n7u3IPOfLFKJGx+5Vv5482p0RAa5yO1HyrLYjJNQJBzJHYqJeBuDeAxC0QB17FJ+/DAWOAVG/4T2p4F3Vb+XxsOPWVray4Zy/F+uSZHFPgWnLakdWqNNVEnemz1yki4ND0j/pGYqcS/gw3V8/s3DBe/EqPKyx5w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759830295; c=relaxed/simple; bh=VGVPMHZfJFWJ065a5fqtHiZF8kLqRFAbyAg8TzOuAcA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mFfRhQhy0klATMG96YAlYzzBy34cYvhy6v6RHdA6OANr+hr4GsfrrYkIf91ty/3nPSNVNggJ011CDAePzCuUJab/rhd2Mj3uq4dDHBK9od4JK8Tako2VU991K+UkFaZMcF5F8pyeBcBsAnAPGAnkAhKUBqcR3ntaLXoMUQ7A800= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f5m4il7b; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f5m4il7b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CEBCFC116D0; Tue, 7 Oct 2025 09:44:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759830294; bh=VGVPMHZfJFWJ065a5fqtHiZF8kLqRFAbyAg8TzOuAcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f5m4il7bogse4bk0D9jOCOcDlKkY34svP9eZdZEjow6BRd12AHNkhgt9Ie/PRBVKB 63nfTkVz3brZTZ8zihJ4blaGhOE6vH9lRgr7LvBI8y2UrH5/AFCsXp1T0x55Y5wpQR K+JVoO6ZgTT/EWmXZZYoDBgRv3xGovAs03AqKTMAfd4C09La8fwlMC176jVJu8fT66 5FNUZOqy8OkZUdsE0Ksxlab+/II6AvFXGjg9zsi1gyJK0Bf31tZoXkIiJZo+3zdLsa 2P2C6yTTRT8gAwDgpaV7Bbm7Kro+uABu6w6DcHCGxEoH7AEDm1/5tqjV9ApkgkmYYw AnnWaoEKo1yYg== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1v64FZ-0000000035h-0Jx1; Tue, 07 Oct 2025 11:44:53 +0200 From: Johan Hovold To: Joerg Roedel , Will Deacon Cc: Robin Murphy , Sven Peter , Janne Grunau , Rob Clark , Marek Szyprowski , Yong Wu , Matthias Brugger , AngeloGioacchino Del Regno , Chen-Yu Tsai , Thierry Reding , Krishna Reddy , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org, Magnus Damm Subject: [PATCH v2 04/14] iommu/ipmmu-vmsa: fix device leak on of_xlate() Date: Tue, 7 Oct 2025 11:43:17 +0200 Message-ID: <20251007094327.11734-5-johan@kernel.org> X-Mailer: git-send-email 2.49.1 In-Reply-To: <20251007094327.11734-1-johan@kernel.org> References: <20251007094327.11734-1-johan@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Make sure to drop the reference taken to the iommu platform device when looking up its driver data during of_xlate(). Fixes: 7b2d59611fef ("iommu/ipmmu-vmsa: Replace local utlb code with fwspec= ids") Cc: stable@vger.kernel.org # 4.14 Cc: Magnus Damm Acked-by: Robin Murphy Signed-off-by: Johan Hovold --- drivers/iommu/ipmmu-vmsa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index ffa892f65714..02a2a55ffa0a 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -720,6 +720,8 @@ static int ipmmu_init_platform_device(struct device *de= v, =20 dev_iommu_priv_set(dev, platform_get_drvdata(ipmmu_pdev)); =20 + put_device(&ipmmu_pdev->dev); + return 0; } =20 --=20 2.49.1