Commit 779cc7ce authored Aug 16, 2019 by Bob Moore Committed by Rafael J. Wysocki Aug 21, 2019

ACPICA: Macros: remove pointer math on a null pointer

ACPICA commit 02bbca5070e42d298c9b824300aa0eb8a082d797

Causes warnings on some compilers and/or tools.
Changed ACPI_TO_POINTER to use ACPI_CAST_PTR instead of using
arithmetic.

Link: https://github.com/acpica/acpica/commit/02bbca50


Reported-by: Qian Cai <cai@lca.pw>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 67a72420

include/acpi/actypes.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -506,7 +506,7 @@ typedef u64 acpi_integer;

		/* Pointer/Integer type conversions */

		#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) 0, (acpi_size) (i))
		#define ACPI_TO_POINTER(i) ACPI_CAST_PTR (void, (acpi_size) (i))
		#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p, (void *) 0)
		#define ACPI_OFFSET(d, f) ACPI_PTR_DIFF (&(((d ) 0)->f), (void ) 0)
		#define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)

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