From 8af29cccf54aa923c2a4dd36c76fa62288c4d64c Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Wed, 9 Oct 2019 20:57:00 -0400
Subject: [PATCH] freebsd_iflib: Add NULL check to irq_free.

Should fix #15402.
---
 src/libs/compat/freebsd_iflib/iflib.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libs/compat/freebsd_iflib/iflib.c b/src/libs/compat/freebsd_iflib/iflib.c
index 559ebe30b0..a77f8e73f0 100644
--- a/src/libs/compat/freebsd_iflib/iflib.c
+++ b/src/libs/compat/freebsd_iflib/iflib.c
@@ -6157,6 +6157,10 @@ iflib_softirq_alloc_generic(if_ctx_t ctx, if_irq_t irq, iflib_intr_type_t type,
 void
 iflib_irq_free(if_ctx_t ctx, if_irq_t irq)
 {
+#ifdef __HAIKU__
+	if (!irq)
+		return;
+#endif
 
 	if (irq->ii_tag)
 		bus_teardown_intr(ctx->ifc_dev, irq->ii_res, irq->ii_tag);