From d98a04dc190672bbd29654a159f7621e0c63adcf Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Tue, 25 Nov 2025 10:59:15 -0700 Subject: [PATCH] KVM: arm64: Add break to default case in kvm_pgtable_stage2_pte_prot() Clang warns (or errors with CONFIG_WERROR=y / W=e): arch/arm64/kvm/hyp/pgtable.c:757:2: error: label at end of compound statement is a C23 extension [-Werror,-Wc23-extensions] 757 | } | ^ With older versions of clang (15 and older) and GCC (at least the minimum supported, 8.1), this is an unconditional hard error: arch/arm64/kvm/hyp/pgtable.c: In function 'kvm_pgtable_stage2_pte_prot': arch/arm64/kvm/hyp/pgtable.c:756:2: error: label at end of compound statement default: ^~~~~~~ arch/arm64/kvm/hyp/pgtable.c:756:10: error: label at end of compound statement: expected statement default: ^ ; Add a break statement to this default case to clear up the error/warning. Fixes: 2608563b466b ("KVM: arm64: Add support for FEAT_XNX stage-2 permissions") Signed-off-by: Nathan Chancellor Acked-by: Marc Zyngier Link: https://msgid.link/20251125-arm64-kvm-hyp-pgtable-fix-c23-ext-warn-v1-1-98b506ddefbf@kernel.org Signed-off-by: Oliver Upton --- arch/arm64/kvm/hyp/pgtable.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index e1d75f965027a..5a1cf42df4c50 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -754,6 +754,7 @@ enum kvm_pgtable_prot kvm_pgtable_stage2_pte_prot(kvm_pte_t pte) prot |= KVM_PGTABLE_PROT_PX; break; default: + break; } return prot; -- 2.47.3