ACPICA: Headers: Replace zero-length array with flexible-array member

ACPICA commit 98835f452c698b015d4da999944405ecb90da670

There is a regular need in the kernel to provide a way to declare
having a dynamically sized set of trailing elements in a structure.
Kernel code should always use “flexible array members”[1] for these
cases. The older style of one-element or zero-length arrays should
no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays

Link: https://github.com/acpica/acpica/commit/98835f45
Link: https://github.com/KSPP/linux/issues/78
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index fda066de57649eea160d20fe3c0d2a7825cc528a..3e92d15a0cd6f91e7f9cae82b9b755bfd039136a 100644 (file)
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -2310,7 +2310,7 @@ struct acpi_table_rgrt {
        u16 version;
        u8 image_type;
        u8 reserved;
-       u8 image[0];
+       u8 image[];
 };
 
 /* image_type values */