powerpc/kvm: Fall through switch case explicitly

Implicit fallthrough warning was enabled globally which broke
the build. Make it explicit with a `fall through` comment.

Signed-off-by: Santosh Sivaraj <santosh@fossix.org>
Reviewed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190729055536.25591-1-santosh@fossix.org

diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index 6539361778578e8b141b99f77f0b2fc46825cb8d..18f244aad7aaa46c1eb45db0f6a283c3d11d9be0 100644 (file)
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -239,6 +239,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr,
                                case 2:
                                case 6:
                                        pte->may_write = true;
+                                       /* fall through */
                                case 3:
                                case 5:
                                case 7: