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Message-Id: <1389085234-22296-5-git-send-email-jiang.liu@linux.intel.com> Date: Tue, 7 Jan 2014 17:00:24 +0800 From: Jiang Liu <jiang.liu@...ux.intel.com> To: Joerg Roedel <joro@...tes.org>, David Woodhouse <dwmw2@...radead.org>, Yinghai Lu <yinghai@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Dan Williams <dan.j.williams@...el.com>, Vinod Koul <vinod.koul@...el.com> Cc: Jiang Liu <jiang.liu@...ux.intel.com>, Ashok Raj <ashok.raj@...el.com>, Yijing Wang <wangyijing@...wei.com>, Tony Luck <tony.luck@...el.com>, iommu@...ts.linux-foundation.org, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org Subject: [Patch Part2 V1 04/14] iommu/vt-d: free resources if failed to create domain for PCIe endpoint Enhance function get_domain_for_dev() to release allocated resources if failed to create domain for PCIe endpoint, otherwise the allocated resources will get lost. Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com> --- drivers/iommu/intel-iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index da65884..2bbb877 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2078,6 +2078,8 @@ found_domain: if (dmar_insert_dev_info(segment, pdev->bus->number, pdev->devfn, pdev, &domain) == 0) return domain; + else if (!bridge) + domain_exit(domain); error: /* recheck it here, maybe others set it */ return find_domain(pdev); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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