From ecb54357576486bfd3e5b3f1d875623524de97a8 Mon Sep 17 00:00:00 2001
From: jslepicka <james@slepicka.net>
Date: Wed, 31 May 2017 14:30:43 -0500
Subject: [PATCH] x86/x64: Exclude devices with legacy IRQ 255

Signed-off-by: James Slepicka <jslepicka@peak6.com>
---
 classify.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/classify.c b/classify.c
index f40e1d1..df8a89b 100644
--- a/classify.c
+++ b/classify.c
@@ -655,8 +655,13 @@ static void build_one_dev_entry(const char *dirname, GList *tmp_irqs)
 
 	/*
 	 * no pci device has irq 0
+	 * irq 255 is invalid on x86/x64 architectures
 	 */
+#if defined(__i386__) || defined(__x86_64__)
+	if (irqnum && irqnum != 255) {
+#else
 	if (irqnum) {
+#endif
 		new = get_irq_info(irqnum);
 		if (new)
 			goto done;