linux-kernel - [PATCH 5/5] stddef.h: Remove sizeof

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Message-Id: <20190924105839.110713-6-pankaj.laxminarayan.bharadiya@intel.com>
Date:   Tue, 24 Sep 2019 16:28:39 +0530
From:   Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>
To:     pankaj.bharadiya@...il.com, andriy.shevchenko@...ux.intel.com,
        kernel-hardening@...ts.openwall.com, keescook@...omium.org,
        akpm@...ux-foundation.org, mayhs11saini@...il.com,
        linux-kernel@...r.kernel.org
Cc:     pankaj.laxminarayan.bharadiya@...el.com
Subject: [PATCH 5/5] stddef.h: Remove sizeof_field macro

Now we have sizeof_member macro to find the size of a member of a
struct.

sizeof_field  macro is not getting used any more hence remove it.
Also modify the offsetofend macro to get rid of it.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>
---
 include/linux/stddef.h | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index 998a4ba28eba..2181719fd907 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -19,14 +19,6 @@ enum {
 #define offsetof(TYPE, MEMBER)	((size_t)&((TYPE *)0)->MEMBER)
 #endif
 
-/**
- * sizeof_field(TYPE, MEMBER)
- *
- * @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))
-
 /**
  * offsetofend(TYPE, MEMBER)
  *
@@ -34,6 +26,6 @@ enum {
  * @MEMBER: The member within the structure to get the end offset of
  */
 #define offsetofend(TYPE, MEMBER) \
-	(offsetof(TYPE, MEMBER)	+ sizeof_field(TYPE, MEMBER))
+	(offsetof(TYPE, MEMBER)	+ sizeof(((TYPE *)0)->MEMBER))
 
 #endif
-- 
2.17.1