From 94674b15df4fdb111aeb2b07e67a818db5faa3c3 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 16 Jun 2011 18:22:11 -0400
Subject: Blackfin: debug-mmrs: prevent macro arg from expanding

Passing a non-simple expression in as the addr arg could incorrectly
apply the pointer cast resulting in misbehavior.  Add proper paren.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 arch/blackfin/kernel/debug-mmrs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/blackfin')

diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c
index 26ebfe8f63c2..bafae8717903 100644
--- a/arch/blackfin/kernel/debug-mmrs.c
+++ b/arch/blackfin/kernel/debug-mmrs.c
@@ -27,7 +27,7 @@
 #define PORT_MUX BFIN_PORT_MUX
 #endif
 
-#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)addr)
+#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)(addr))
 #define d(name, bits, addr)         _d(name, bits, addr, S_IRUSR|S_IWUSR)
 #define d_RO(name, bits, addr)      _d(name, bits, addr, S_IRUSR)
 #define d_WO(name, bits, addr)      _d(name, bits, addr, S_IWUSR)
-- 
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