From bbd5ba8db7662dbfcc15204eb105cd0c2971a47c Mon Sep 17 00:00:00 2001 From: Bixuan Cui Date: Wed, 27 Oct 2021 15:20:53 +0800 Subject: [PATCH] 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 Signed-off-by: Anup Patel --- arch/riscv/kvm/mmu.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c index 3a00c2df7640..d81bae8eb55e 100644 --- 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); }