Commit d58befd3 authored Sep 17, 2008 by Joerg Roedel Committed by Ingo Molnar Sep 19, 2008

AMD IOMMU: free domain bitmap with its allocation order



The amd_iommu_pd_alloc_bitmap is allocated with a calculated order and
freed with order 1. This is not a bug since the calculated order always
evaluates to 1, but its unclean code. So replace the 1 with the
calculation in the release path.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 6754086c

arch/x86/kernel/amd_iommu_init.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1144,7 +1144,8 @@ out:
		return ret;

		free:
		free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1);
		free_pages((unsigned long)amd_iommu_pd_alloc_bitmap,
		get_order(MAX_DOMAIN_ID/8));

		free_pages((unsigned long)amd_iommu_pd_table,
		get_order(rlookup_table_size));