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Message-Id: <1417686484-20828-2-git-send-email-eric.auger@linaro.org>
Date:	Thu,  4 Dec 2014 10:48:01 +0100
From:	Eric Auger <eric.auger@...aro.org>
To:	eric.auger@...com, eric.auger@...aro.org,
	christoffer.dall@...aro.org, marc.zyngier@....com,
	andre.przywara@....com, linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.cs.columbia.edu, kvm@...r.kernel.org,
	alex.williamson@...hat.com, agraf@...e.de, gleb@...nel.org,
	pbonzini@...hat.com
Cc:	linux-kernel@...r.kernel.org, patches@...aro.org,
	will.deacon@....com, a.motakis@...tualopensystems.com
Subject: [PATCH v2 1/4] KVM: arm/arm64: vgic: vgic_init_maps returns -ENODEV when no online vcpu

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

Signed-off-by: Eric Auger <eric.auger@...aro.org>
---
 virt/kvm/arm/vgic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index b76c38c..907ba0e 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1991,7 +1991,7 @@ static int vgic_init_maps(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
-- 
1.9.1

--
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