linux-kernel - PATCH: powerpc: remove unused variable assignment

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Message-ID: <20110520091346.GC29499@suse.de>
Date:	Fri, 20 May 2011 11:13:46 +0200
From:	Marcus Meissner <meissner@...e.de>
To:	benh@...nel.crashing.org, paulus@...ba.org,
	akpm@...ux-foundation.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: PATCH: powerpc: remove unused variable assignment


Hi,

gcc 4.6 with -Werror does not like setting but not using variables
anymore.

So remove it, it does not seem necessary.

Signed-off-by: Marcus Meissner <meissner@...e.de>

Ciao, Marcus
---
 arch/powerpc/include/asm/pgtable-ppc64.h |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 2b09cd5..c3d39de 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -257,21 +257,17 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm,
 static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 				      pte_t *ptep)
 {
-	unsigned long old;
-
        	if ((pte_val(*ptep) & _PAGE_RW) == 0)
        		return;
-	old = pte_update(mm, addr, ptep, _PAGE_RW, 0);
+	pte_update(mm, addr, ptep, _PAGE_RW, 0);
 }
 
 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
 					   unsigned long addr, pte_t *ptep)
 {
-	unsigned long old;
-
 	if ((pte_val(*ptep) & _PAGE_RW) == 0)
 		return;
-	old = pte_update(mm, addr, ptep, _PAGE_RW, 1);
+	pte_update(mm, addr, ptep, _PAGE_RW, 1);
 }
 
 /*
-- 
1.7.4.1

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