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-rw-r--r--virt/kvm/irq_comm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 56e696104d4..a9d7fd1f1d6 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -139,7 +139,9 @@ int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level)
else
clear_bit(irq_source_id, irq_state);
sig_level = !!(*irq_state);
- } else /* Deal with MSI/MSI-X */
+ } else if (!level)
+ return ret;
+ else /* Deal with MSI/MSI-X */
sig_level = 1;
/* Not possible to detect if the guest uses the PIC or the