[PATCH 01/10] ARM: KVM: vgic: fix kvm_vgic_vcpu_init() return value

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Patch 641622d2 (KVM: ARM: Make VGIC_MAX_CPUS equal to KVM_MAX_VCPUS)
must have been tested with a very forgiving compiler, as it lacks
a return value in the normal path...

Also fix the non-vgic case, which has a different taste of brokeness.

Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
 arch/arm/include/asm/kvm_vgic.h | 6 +++++-
 arch/arm/kvm/vgic.c             | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/kvm_vgic.h b/arch/arm/include/asm/kvm_vgic.h
index 065aa0b..e371100 100644
--- a/arch/arm/include/asm/kvm_vgic.h
+++ b/arch/arm/include/asm/kvm_vgic.h
@@ -280,7 +280,11 @@ static inline int kvm_vgic_create(struct kvm *kvm)
 	return 0;
 }
 
-static inline void kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu) {}
+static inline int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu)
+{
+	return 0;
+}
+
 static inline void kvm_vgic_sync_to_cpu(struct kvm_vcpu *vcpu) {}
 static inline void kvm_vgic_sync_from_cpu(struct kvm_vcpu *vcpu) {}
 
diff --git a/arch/arm/kvm/vgic.c b/arch/arm/kvm/vgic.c
index 922a0aa..f9478ea 100644
--- a/arch/arm/kvm/vgic.c
+++ b/arch/arm/kvm/vgic.c
@@ -1077,6 +1077,8 @@ int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu)
 	vgic_cpu->vgic_vmcr = reg | (0x1f << 27); /* Priority */
 
 	vgic_cpu->vgic_hcr |= VGIC_HCR_EN; /* Get the show on the road... */
+
+	return 0;
 }
 
 static void vgic_init_maintenance_interrupt(void *info)
-- 
1.7.12



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