linux-kernel - [PATCH 18/18] usbip: list.h include stddef.h for offsetof

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Date:	Tue, 16 Sep 2014 23:38:55 +0000
From:	Maximilian Eschenbacher <maximilian@...henbacher.email>
To:	linux-kernel@...r.kernel.org
Cc:	valentina.manea.m@...il.com, shuah.kh@...sung.com,
	gregkh@...uxfoundation.org,
	Maximilian Eschenbacher <maximilian@...henbacher.email>,
	Fjodor Schelichow <fjodor.schelichow@...mail.com>,
	Johannes Stadlinger <johannes.stadlinger@....de>
Subject: [PATCH 18/18] usbip: list.h include stddef.h for offsetof

Remove offsetof macro from list.h and use builtin macro defined in
stddef.h to avoid multiple declaration error in gcc 4.7.

Signed-off-by: Maximilian Eschenbacher <maximilian@...henbacher.email>
Signed-off-by: Fjodor Schelichow <fjodor.schelichow@...mail.com>
Signed-off-by: Johannes Stadlinger <johannes.stadlinger@....de>
---
 tools/usb/usbip/libsrc/list.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/usb/usbip/libsrc/list.h b/tools/usb/usbip/libsrc/list.h
index 8d0c936..a3dca5a 100644
--- a/tools/usb/usbip/libsrc/list.h
+++ b/tools/usb/usbip/libsrc/list.h
@@ -15,6 +15,8 @@
  * using the generic single-entry routines.
  */
 
+#include <stddef.h>
+
 struct list_head {
 	struct list_head *next, *prev;
 };
@@ -120,7 +122,6 @@ static inline void list_del(struct list_head *entry)
 	for (pos = (head)->next, n = pos->next; pos != (head); \
 		pos = n, n = pos->next)
 
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 
 /**
  * container_of - cast a member of a structure out to the containing structure
-- 
2.1.0

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