Re: [PATCH 13/16] ARM: KVM: vgic: use of_node_put() once done with DT

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On Thursday, December 6, 2012, Marc Zyngier wrote:
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
 arch/arm/kvm/vgic.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/arm/kvm/vgic.c b/arch/arm/kvm/vgic.c
index 49b594e..27b469d 100644
--- a/arch/arm/kvm/vgic.c
+++ b/arch/arm/kvm/vgic.c
@@ -1306,14 +1306,16 @@ int kvm_vgic_hyp_init(void)
                return -ENODEV;

        vgic_irq = irq_of_parse_and_map(vgic_node, 0);
-       if (!vgic_irq)
-               return -ENXIO;
+       if (!vgic_irq) {
+               ret = -ENXIO;
+               goto out;
+       }

        ret = request_percpu_irq(vgic_irq, vgic_maintenance_handler,
                                 "vgic", kvm_get_running_vcpus());
        if (ret) {
                kvm_err("Cannot register interrupt %d\n", vgic_irq);
-               return ret;
+               goto out;
        }

        ret = register_cpu_notifier(&vgic_cpu_nb);
@@ -1356,13 +1358,14 @@ int kvm_vgic_hyp_init(void)
        }
        vgic_vcpu_base = vcpu_res.start;

-       return 0;
+       goto out;

 out_unmap:
        iounmap(vgic_vctrl_base);
 out_free_irq:
        free_percpu_irq(vgic_irq, kvm_get_running_vcpus());
-
+out:
+       of_node_put(vgic_node);
        return ret;
 }


ack 
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