linux-kernel - [PATCH 1/1] kconfig: fix lists definition for C++

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Date:	Mon, 29 Apr 2013 19:59:02 +0200
From:	"Yann E. MORIN" <yann.morin.1998@...e.fr>
To:	linux-kbuild@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	Randy Dunlap <rdunlap@...radead.org>,
	Michal Marek <mmarek@...e.cz>,
	"Yann E. MORIN" <yann.morin.1998@...e.fr>,
	Benjamin Poirier <bpoirier@...e.de>
Subject: [PATCH 1/1] kconfig: fix lists definition for C++

From: "Yann E. MORIN" <yann.morin.1998@...e.fr>

The C++ compiler is more strict in that it refuses to assign
a void* to a struct list_head*.

Fix that by explicitly casting the poisonning constants.

(Tested with all 5 frontends, now.)

Reported-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@...e.fr>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Benjamin Poirier <bpoirier@...e.de>
---
 scripts/kconfig/list.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
index ea1d581..685d80e 100644
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -125,7 +125,7 @@ static inline void __list_del(struct list_head *prev, struct list_head *next)
 static inline void list_del(struct list_head *entry)
 {
 	__list_del(entry->prev, entry->next);
-	entry->next = LIST_POISON1;
-	entry->prev = LIST_POISON2;
+	entry->next = (struct list_head*)LIST_POISON1;
+	entry->prev = (struct list_head*)LIST_POISON2;
 }
 #endif
-- 
1.8.1.2

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