This fixes error handling in the function mpic_set_default_irq_routing
by checking if the call to the function kvm_set_irq_routing has failed
and if so exit immediately to the caller by returning the error code
returned by the call to mpic_set_default_irq_routing.
Signed-off-by: Nicholas Krause <xerofo...@gmail.com>
---
arch/powerpc/kvm/mpic.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
index 6249cdc..5a18859 100644
--- a/arch/powerpc/kvm/mpic.c
+++ b/arch/powerpc/kvm/mpic.c
@@ -1641,13 +1641,16 @@ static void mpic_destroy(struct kvm_device *dev)
static int mpic_set_default_irq_routing(struct openpic *opp)
{
struct kvm_irq_routing_entry *routing;
+ int ret;
/* Create a nop default map, so that dereferencing it still works */
routing = kzalloc((sizeof(*routing)), GFP_KERNEL);
if (!routing)
return -ENOMEM;
- kvm_set_irq_routing(opp->kvm, routing, 0, 0);
+ ret = kvm_set_irq_routing(opp->kvm, routing, 0, 0);
+ if (ret)
+ return ret;
kfree(routing);
return 0;
--
2.1.4
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