1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 06f2e61de691..accb37ad0944 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -434,6 +434,10 @@ static int xen_allocate_irq_gsi(unsigned gsi)
 
 static void xen_free_irq(unsigned irq)
 {
+        /* Legacy IRQ descriptors are managed by the arch. */
+        if (irq < NR_IRQS_LEGACY)
+                return;
+
         irq_free_desc(irq);
 }