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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>
hifive-unleashed-5.1
Joerg Roedel 2008-09-17 12:19:58 +02:00 committed by Ingo Molnar
parent 6754086ce6
commit d58befd3a0
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/amd_iommu_init.c
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@ -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));