[Xen-devel] [PATCH] xen/arm: Zeroed vgic ranks during the initialization

[Julien Grall <julien.grall@xxxxxxxxxx>]

vgic_rank contains data which inform the guest if an IRQ is
enabled/actived/pending...

The structure must be zeroed otherwise the guest can retrieve wrong GIC state.

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
---
 xen/arch/arm/vgic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
index 7eaccb7..2e4b11f 100644
--- a/xen/arch/arm/vgic.c
+++ b/xen/arch/arm/vgic.c
@@ -88,7 +88,7 @@ int domain_vgic_init(struct domain *d)
         d->arch.vgic.nr_lines = 0; /* We don't need SPIs for the guest */
 
     d->arch.vgic.shared_irqs =
-        xmalloc_array(struct vgic_irq_rank, DOMAIN_NR_RANKS(d));
+        xzalloc_array(struct vgic_irq_rank, DOMAIN_NR_RANKS(d));
     d->arch.vgic.pending_irqs =
         xzalloc_array(struct pending_irq, d->arch.vgic.nr_lines);
     for (i=0; i<d->arch.vgic.nr_lines; i++)
-- 
1.7.10.4


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