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iommu/amd: Fix error code path in early_amd_iommu_init()

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Prevent early_amd_iommu_init() from leaking memory mapped via
acpi_get_table() if check_ivrs_checksum() returns an error.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Rafael J. Wysocki 2017-01-10 14:57:28 +01:00 committed by Joerg Roedel
parent 432abf68a7
commit 99e8ccd383
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/amd_iommu_init.c
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@ -2230,7 +2230,7 @@ static int __init early_amd_iommu_init(void)
*/ */
ret = check_ivrs_checksum(ivrs_base); ret = check_ivrs_checksum(ivrs_base);
if (ret) if (ret)
return ret; goto out;
amd_iommu_target_ivhd_type = get_highest_supported_ivhd_type(ivrs_base); amd_iommu_target_ivhd_type = get_highest_supported_ivhd_type(ivrs_base);
DUMP_printk("Using IVHD type %#x\n", amd_iommu_target_ivhd_type); DUMP_printk("Using IVHD type %#x\n", amd_iommu_target_ivhd_type);