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[Xen-devel] [RFC 02/22] xen/arm: vGIC: Check return of the domain_init callback



The domain_init callback can return error. Check it and progate the
error if necessary.

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
---
 xen/arch/arm/vgic.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c
index a2320f6..8393ad4 100644
--- a/xen/arch/arm/vgic.c
+++ b/xen/arch/arm/vgic.c
@@ -71,6 +71,7 @@ static void vgic_init_pending_irq(struct pending_irq *p, 
unsigned int virq)
 int domain_vgic_init(struct domain *d)
 {
     int i;
+    int ret;
 
     d->arch.vgic.ctlr = 0;
 
@@ -111,7 +112,9 @@ int domain_vgic_init(struct domain *d)
     for (i=0; i<DOMAIN_NR_RANKS(d); i++)
         spin_lock_init(&d->arch.vgic.shared_irqs[i].lock);
 
-    d->arch.vgic.handler->domain_init(d);
+    ret = d->arch.vgic.handler->domain_init(d);
+    if ( ret )
+        return ret;
 
     d->arch.vgic.allocated_irqs =
         xzalloc_array(unsigned long, BITS_TO_LONGS(vgic_num_irqs(d)));
-- 
2.1.4


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