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>

diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
index 3a00c2df7640a27527372849a9e46e20227bcad5..d81bae8eb55ea0a0f81bed64b5c3ab589a99a00a 100644 (file)
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
@@ -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);
 }