From mboxrd@z Thu Jan 1 00:00:00 1970 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 40EED33032C; Fri, 9 Jan 2026 12:46:46 +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=1767962807; cv=none; b=G1mJUtRhzBW5H8xJBj3FTLspxD8jOARgMhvy8eGe3OnOQYkkIET6FMCE+/dMIYPGVMU7577vqJUvuYlP2kL8zRW8aO1b0l+tT5tAYip9VpnP6kae2c/tJdJ1Uy0V2VmWlzxJjzmNFykYRjkffcCfvWrQ3/iBEzvc78SE45IOWAw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767962807; c=relaxed/simple; bh=k112OGGGXYzRV7opfFucio6E4xPBMUGvKp1dTE3kr1o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=od82/3llRQxRNALrYbGAF5/XxHeY0EAMvFWXSjA9hZIl0tNeNlYJ1AqPysk/YgDLryzPugW+EZ7GqENhX2fHy+QmcEqH24cs0HKJ0csuK6d0II+ZFn+IY1VJz33nHHNrI2LYkrJKWonNJzZ47Mh9c3vDtVFrmakvSR46jJKf3e0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=omF31A/X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="omF31A/X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54501C4CEF1; Fri, 9 Jan 2026 12:46:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767962806; bh=k112OGGGXYzRV7opfFucio6E4xPBMUGvKp1dTE3kr1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=omF31A/XFOAHwatw/bV6S/0Qur84cC4QeuyCN6TcjkEF2UShO/mSSINkehgRkyz51 u4KNi7pmOzlzvYvkK+pw7Hyz2HuNG7YUFJ4GSMMlb+vT48km2dt8NIh0k0mqhXAcwU ZrdXoulYpYNjcQU6Dx09QpCpIedA+wadacf9zLeU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Magnus Damm , Robin Murphy , Johan Hovold , Joerg Roedel Subject: [PATCH 6.1 452/634] iommu/ipmmu-vmsa: fix device leak on of_xlate() Date: Fri, 9 Jan 2026 12:42:10 +0100 Message-ID: <20260109112134.551476002@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260109112117.407257400@linuxfoundation.org> References: <20260109112117.407257400@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit 80aa518452c4aceb9459f9a8e3184db657d1b441 upstream. 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 Signed-off-by: Joerg Roedel Signed-off-by: Greg Kroah-Hartman --- drivers/iommu/ipmmu-vmsa.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -714,6 +714,8 @@ static int ipmmu_init_platform_device(st dev_iommu_priv_set(dev, platform_get_drvdata(ipmmu_pdev)); + put_device(&ipmmu_pdev->dev); + return 0; }