Commit dca4d60f authored Apr 30, 2019 by Eric Auger Committed by Joerg Roedel May 03, 2019

iommu/vt-d: Fix leak in intel_pasid_alloc_table on error path



If alloc_pages_node() fails, pasid_table is leaked. Free it.

Fixes: cc580e41 ("iommu/vt-d: Per PCI device pasid table interfaces")

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 5daab580

drivers/iommu/intel-pasid.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -154,8 +154,10 @@ int intel_pasid_alloc_table(struct device *dev)
		order = size ? get_order(size) : 0;
		pages = alloc_pages_node(info->iommu->node,
		GFP_KERNEL \| __GFP_ZERO, order);
		if (!pages)
		if (!pages) {
		kfree(pasid_table);
		return -ENOMEM;
		}

		pasid_table->table = page_address(pages);
		pasid_table->order = order;

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