KVM: Fix GSI number space limit

[mirror_qemu.git] / kvm-all.c

diff --git a/kvm-all.c b/kvm-all.c
index 4e19eff0efeea85a47ab8b76b64601a2b6c73bf7..56a251bf8ec8988fa5053ab190c1b992c1a66feb 100644 (file)
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -938,7 +938,7 @@ void kvm_init_irq_routing(KVMState *s)
 {
     int gsi_count, i;
 
-    gsi_count = kvm_check_extension(s, KVM_CAP_IRQ_ROUTING);
+    gsi_count = kvm_check_extension(s, KVM_CAP_IRQ_ROUTING) - 1;
     if (gsi_count > 0) {
         unsigned int gsi_bits, i;