lkml.org 
[lkml]   [2011]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] ppc64: Fix compiler warning in pgtable-ppc64.h [-Wunused-but-set-variable]
Date
The variable 'old' is set but not used in the wrprotect functions in
arch/powerpc/include/asm/pgtable-ppc64.h, which can trigger a compiler warning.

Remove the variable, since it's not used anyway.

Signed-off-by: Stratos Psomadakis <psomas@ece.ntua.gr>
---
arch/powerpc/include/asm/pgtable-ppc64.h | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 2b09cd5..0b27dba 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -257,21 +257,20 @@ 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);
+ if ((pte_val(*ptep) & _PAGE_RW) == 0)
+ return;
+
+ 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);
}

/*
--
1.5.6.5


\
 
 \ /
  Last update: 2011-05-07 16:13    [W:0.036 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site