[PATCH 1/3] acpi: fix struct acpi_xsdt

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Sat Nov 11 14:41:10 CET 2023


The size of the ACPI table header is not a multiple of 8. We have to mark
struct acpi_xsdt as packed to correctly read the entries.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 include/acpi/acpi_table.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h
index a3b67259e6..20ac3b51ba 100644
--- a/include/acpi/acpi_table.h
+++ b/include/acpi/acpi_table.h
@@ -80,7 +80,7 @@ struct acpi_rsdt {
 };
 
 /* XSDT (Extended System Description Table) */
-struct acpi_xsdt {
+struct __packed acpi_xsdt {
 	struct acpi_table_header header;
 	u64 entry[MAX_ACPI_TABLES];
 };
-- 
2.40.1



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