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iommu/vt-d: Fix the wrong printing in RHSA parsing 

commit b0bb0c22c4 upstream.

When base address in RHSA structure doesn't match base address in
each DRHD structure, the base address in last DRHD is printed out.

This doesn't make sense when there are multiple DRHD units, fix it
by printing the buggy RHSA's base address.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@gmail.com>
Fixes: fd0c889489 ("intel-iommu: Set a more specific taint flag for invalid BIOS DMAR tables")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Zhenzhong Duan 2020-03-12 14:09:54 +08:00 committed by Greg Kroah-Hartman
parent 2d106e75da
commit 9493a6361d
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/dmar.c
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@ -475,7 +475,7 @@ static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg)
pr_warn(FW_BUG
"Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
"BIOS vendor: %s; Ver: %s; Product Version: %s\n",
drhd->reg_base_addr,
rhsa->base_address,
dmi_get_system_info(DMI_BIOS_VENDOR),
dmi_get_system_info(DMI_BIOS_VERSION),
dmi_get_system_info(DMI_PRODUCT_VERSION));