linux-kernel - [PATCHv2 1/2] x86: asm/bitops.h

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Message-Id: <20170317162140.16934-1-joakim.tjernlund@infinera.com>
Date:   Fri, 17 Mar 2017 17:21:39 +0100
From:   Joakim Tjernlund <joakim.tjernlund@...inera.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Cc:     Joakim Tjernlund <joakim.tjernlund@...inera.com>,
        stable@...r.kernel.org#v4.9+
Subject: [PATCHv2 1/2] x86: asm/bitops.h

VirtualBox modules complains when doing pointer arithmetic's,
replace void * cast with uintptr_t to do pointer arithmetic's
in integer space instead.

Cc: <stable@...r.kernel.org> # v4.9+
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@...inera.com>
---
 v2 - Improve wording

 arch/x86/include/asm/bitops.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 8540227..b561304 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -50,7 +50,7 @@
  * a mask operation on a byte.
  */
 #define IS_IMMEDIATE(nr)		(__builtin_constant_p(nr))
-#define CONST_MASK_ADDR(nr, addr)	BITOP_ADDR((void *)(addr) + ((nr)>>3))
+#define CONST_MASK_ADDR(nr, addr)	BITOP_ADDR((uintptr_t)(addr) + ((nr)>>3))
 #define CONST_MASK(nr)			(1 << ((nr) & 7))
 
 /**
-- 
2.10.2