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RISC-V: KVM: fix boolreturn.cocci warnings 

Fix boolreturn.cocci warnings:
./arch/riscv/kvm/mmu.c:603:9-10: WARNING: return of 0/1 in function
'kvm_age_gfn' with return type bool
./arch/riscv/kvm/mmu.c:582:9-10: WARNING: return of 0/1 in function
'kvm_set_spte_gfn' with return type bool
./arch/riscv/kvm/mmu.c:621:9-10: WARNING: return of 0/1 in function
'kvm_test_age_gfn' with return type bool
./arch/riscv/kvm/mmu.c:568:9-10: WARNING: return of 0/1 in function
'kvm_unmap_gfn_range' with return type bool

Signed-off-by: Bixuan Cui <cuibixuan@linux.alibaba.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Bixuan Cui 2021-10-27 15:20:53 +08:00 committed by Anup Patel
parent 7b161d9cab
commit bbd5ba8db7
1 changed files with 9 additions and 9 deletions
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18
arch/riscv/kvm/mmu.c
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@ -565,12 +565,12 @@ out:
bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
{
if (!kvm->arch.pgd)
return 0;
return false;
stage2_unmap_range(kvm, range->start << PAGE_SHIFT,
(range->end - range->start) << PAGE_SHIFT,
range->may_block);
return 0;
return false;
}
bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
@ -579,7 +579,7 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
kvm_pfn_t pfn = pte_pfn(range->pte);
if (!kvm->arch.pgd)
return 0;
return false;
WARN_ON(range->end - range->start != 1);
@ -587,10 +587,10 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
__pfn_to_phys(pfn), PAGE_SIZE, true, true);
if (ret) {
kvm_debug("Failed to map stage2 page (error %d)\n", ret);
return 1;
return true;
}
return 0;
return false;
}
bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
@ -600,13 +600,13 @@ bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
u64 size = (range->end - range->start) << PAGE_SHIFT;
if (!kvm->arch.pgd)
return 0;
return false;
WARN_ON(size != PAGE_SIZE && size != PMD_SIZE && size != PGDIR_SIZE);
if (!stage2_get_leaf_entry(kvm, range->start << PAGE_SHIFT,
&ptep, &ptep_level))
return 0;
return false;
return ptep_test_and_clear_young(NULL, 0, ptep);
}
@ -618,13 +618,13 @@ bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
u64 size = (range->end - range->start) << PAGE_SHIFT;
if (!kvm->arch.pgd)
return 0;
return false;
WARN_ON(size != PAGE_SIZE && size != PMD_SIZE && size != PGDIR_SIZE);
if (!stage2_get_leaf_entry(kvm, range->start << PAGE_SHIFT,
&ptep, &ptep_level))
return 0;
return false;
return pte_young(*ptep);
}