[PATCH 2/2] ppc64: Fix compiler warning in pgtable-ppc64.h [-Wunused-but-set-variable]
From: Stratos Psomadakis <hidden>
Date: 2011-05-07 14:11:45
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
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 <redacted> --- 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); } /*
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1.5.6.5