linux-kernel - [PATCH] ARM: mm: fix unitialized variable warning

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Date:	Tue, 3 Jul 2012 10:23:21 +0000
From:	"Du, ChangbinX" <changbinx.du@...el.com>
To:	"linux@....linux.org.uk" <linux@....linux.org.uk>
CC:	"nico@...aro.org" <nico@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] ARM: mm: fix unitialized variable warning

arch/arm/mm/alignment.c: In function ‘do_alignment’:
arch/arm/mm/alignment.c:327:15: warning: ‘offset.un’ may be used uninitialized in this function [-Wuninitialized]
arch/arm/mm/alignment.c:749:21: note: ‘offset.un’ was declared here

Signed-off-by: Du, Changbin <changbin.du@...il.com>
---
 arch/arm/mm/alignment.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 9107231..387a6cd 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -746,7 +746,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
 static int
 do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
-	union offset_union offset;
+	union offset_union uninitialized_var(offset);
 	unsigned long instr = 0, instrptr;
 	int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
 	unsigned int type;
-- 
1.7.9.5