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 4C7073A0E98; Thu, 15 Jan 2026 17:31:18 +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=1768498278; cv=none; b=DY8xrOr0PPIvb8kaxZFvKkHTBNSXh3xFt/ApB/Jooe7vr7WiJY0rxNQlJHD+C7gyqJPouG532RCAJSBSNRqCsRs2ZuRlMgaSl9Oe1M6NlrfpeWavxBtYXpw+0dhy4Z9tzUH1mj7AvZLb7m3TAldSjLvnMGTgTL3/jgEdLj8D1Hk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498278; c=relaxed/simple; bh=lcSPt9wL2jeRj174ajlm88brCefOOmTYJI8fBMQk/ps=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PauY8suqHcw/oc2+YsjuIg76sFDkmTPAtYs9f1BbYkXQCywtqwTEc11SQ+sNN1E878TRXqse2brNtuW1+MYKmRHbQoVG45dybg+avuRzFIpBTj/D6NysU8bdxoLet3KTEJvaNnNqWyzj8B4kq2Mu0OsH1+OHVuk2p+Xqqss9xX0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ISb8xKAf; 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="ISb8xKAf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E7A0C116D0; Thu, 15 Jan 2026 17:31:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498278; bh=lcSPt9wL2jeRj174ajlm88brCefOOmTYJI8fBMQk/ps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ISb8xKAfYxjBruQekTKpRRkhYR7DP24VuUfuApdOzifPYiy116OsNJcbLvxolykRh TQR2mV6JDV5swJ635G2DgtFaupN19YGd6q6SFd1uHBptbZ9VSSwmfHLSewIrNx5jhb VT0ptQ9vp5gH20XQ7P2liQWLr4i6wQ3byXpgt02U= 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 5.15 375/554] iommu/ipmmu-vmsa: fix device leak on of_xlate() Date: Thu, 15 Jan 2026 17:47:21 +0100 Message-ID: <20260115164259.806788038@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@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 5.15-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 @@ -710,6 +710,8 @@ static int ipmmu_init_platform_device(st dev_iommu_priv_set(dev, platform_get_drvdata(ipmmu_pdev)); + put_device(&ipmmu_pdev->dev); + return 0; }