[3.18,014/222] KVM: arm/arm64: vgic: vgic_init returns -ENODEV when no online vcpu

Message ID 1431824764-20044-15-git-send-email-sasha.levin@oracle.com
State New
Headers show

Commit Message

Sasha Levin May 17, 2015, 1:02 a.m.
From: Eric Auger <eric.auger@linaro.org>

commit 66b030e48af68fd4c22d343908bc057207a0a31e upstream.

To be more explicit on vgic initialization failure, -ENODEV is
returned by vgic_init when no online vcpus can be found at init.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
---
 virt/kvm/arm/vgic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 9a8c183..fc82307 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1807,7 +1807,7 @@  static int vgic_init(struct kvm *kvm)
 
 	nr_cpus = dist->nr_cpus = atomic_read(&kvm->online_vcpus);
 	if (!nr_cpus)		/* No vcpus? Can't be good... */
-		return -EINVAL;
+		return -ENODEV;
 
 	/*
 	 * If nobody configured the number of interrupts, use the