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[11/20] ACPICA: Headers: Replace zero-length array with flexible-array member

Message ID 5732090.MhkbZ0Pkbq@kreacher (mailing list archive)
State Mainlined, archived
Headers show
Series ACPICA: ACPICA 20220331 | expand

Commit Message

Rafael J. Wysocki April 11, 2022, 6:56 p.m. UTC 
From: Gustavo A. R. Silva <gustavoars@kernel.org>

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>
---
 include/acpi/actbl2.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

Index: linux-pm/include/acpi/actbl2.h
===================================================================
--- linux-pm.orig/include/acpi/actbl2.h
+++ linux-pm/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 */