blob: 82dd2be25cf98e889f9be980786af0ecb45b1850 (
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@@ -, +, @@
acpi_tb_parse_root_table().
Commit: 671cc68dc61f029d44b43a681356078e02d8dab8
Subject: ACPICA: Back port and refine validation of the XSDT root table.
---
drivers/acpi/acpica/tbutils.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/acpi/acpica/tbutils.c
+++ a/drivers/acpi/acpica/tbutils.c
@@ -461,6 +461,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
u32 table_count;
struct acpi_table_header *table;
acpi_physical_address address;
+ acpi_physical_address rsdt_address;
u32 length;
u8 *table_entry;
acpi_status status;
@@ -488,11 +489,13 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
* as per the ACPI specification.
*/
address = (acpi_physical_address) rsdp->xsdt_physical_address;
+ rsdt_address = (acpi_physical_address) rsdp->rsdt_physical_address;
table_entry_size = ACPI_XSDT_ENTRY_SIZE;
} else {
/* Root table is an RSDT (32-bit physical addresses) */
address = (acpi_physical_address) rsdp->rsdt_physical_address;
+ rsdt_address = address;
table_entry_size = ACPI_RSDT_ENTRY_SIZE;
}
@@ -515,8 +518,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
/* Fall back to the RSDT */
- address =
- (acpi_physical_address) rsdp->rsdt_physical_address;
+ address = rsdt_address;
table_entry_size = ACPI_RSDT_ENTRY_SIZE;
}
}
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