linux-kernel - [PATCH] KVM: arm: irqfd: fix value returned by kvm_irq_map

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Date:	Mon, 13 Apr 2015 15:01:59 +0200
From:	Eric Auger <eric.auger@...aro.org>
To:	eric.auger@...com, eric.auger@...aro.org,
	christoffer.dall@...aro.org, marc.zyngier@....com,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
	kvm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, patches@...aro.org
Subject: [PATCH] KVM: arm: irqfd: fix value returned by kvm_irq_map_gsi

irqfd/arm curently does not support routing. kvm_irq_map_gsi is
supposed to return all the routing entries associated with the
provided gsi and return the number of those entries. We should
return 0 at this point.

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 9ad074e..9b4f7d4 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1947,7 +1947,7 @@ int kvm_irq_map_gsi(struct kvm *kvm,
 		    struct kvm_kernel_irq_routing_entry *entries,
 		    int gsi)
 {
-	return gsi;
+	return 0;
 }
 
 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
-- 
1.9.1

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