Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755029AbbGYCoV (ORCPT ); Fri, 24 Jul 2015 22:44:21 -0400 Received: from mga02.intel.com ([134.134.136.20]:2042 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755007AbbGYCoT (ORCPT ); Fri, 24 Jul 2015 22:44:19 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,542,1432623600"; d="scan'208";a="735186213" Subject: [PATCH v2 07/25] intel_iommu: fix leaked ioremap mapping From: Dan Williams To: tglx@linutronix.de, mingo@kernel.org, hpa@zytor.com Cc: linux-arch@vger.kernel.org, Joerg Roedel , toshi.kani@hp.com, linux-nvdimm@ml01.01.org, linux-kernel@vger.kernel.org, rmk+kernel@arm.linux.org.uk, hch@lst.de, linux-arm-kernel@lists.infradead.org Date: Fri, 24 Jul 2015 22:38:37 -0400 Message-ID: <20150725023837.8664.41845.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <20150725023649.8664.59145.stgit@dwillia2-desk3.amr.corp.intel.com> References: <20150725023649.8664.59145.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.17.1-8-g92dd MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 878 Lines: 27 iommu_load_old_irte() appears to leak the old_irte mapping after use. Cc: Joerg Roedel Signed-off-by: Dan Williams --- drivers/iommu/intel_irq_remapping.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index f15692a410c7..27cdfa84ec5b 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -426,6 +426,8 @@ static int iommu_load_old_irte(struct intel_iommu *iommu) bitmap_set(iommu->ir_table->bitmap, i, 1); } + iounmap(old_ir_table); + return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/