From 36561e745fa71bb053ab18396934ca9da9da7128 Mon Sep 17 00:00:00 2001 From: Alejandro Colomar Date: Fri, 19 Nov 2021 13:01:07 +0100 Subject: linux/sizeof_field.h: Implement sizeof_field() in terms of memberof() Use memberof() instead of explicitly dereferencing a null pointer. Signed-off-by: Alejandro Colomar --- include/linux/sizeof_field.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/sizeof_field.h b/include/linux/sizeof_field.h index 7ff541cb21af..96aa05c90076 100644 --- a/include/linux/sizeof_field.h +++ b/include/linux/sizeof_field.h @@ -2,13 +2,16 @@ #ifndef _LINUX_SIZEOF_FIELD_H #define _LINUX_SIZEOF_FIELD_H +#include + + /** * sizeof_field() - Report the size of a struct field in bytes * * @TYPE: The structure containing the field of interest * @MEMBER: The field to return the size of */ -#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER)) +#define sizeof_field(TYPE, MEMBER) sizeof(memberof(TYPE, MEMBER)) #endif /* _LINUX_SIZEOF_FIELD_H */ -- cgit v1.2.3