From 33bc3ffe545cb04b7f48cc3354c37d7ac5cc3ee0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Tue, 25 Feb 2020 15:44:23 +0100
Subject: [PATCH] conf: only allow virtio bus for input passthrough
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Other buses are not supported.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1724928
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 src/conf/domain_conf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index bfb95dd2ce..fd0578504c 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6620,6 +6620,12 @@ virDomainInputDefValidate(const virDomainInputDef *input)
             break;
 
         case VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH:
+            if (input->bus != VIR_DOMAIN_INPUT_BUS_VIRTIO) {
+                virReportError(VIR_ERR_XML_ERROR, "%s",
+                               _("only bus 'virtio' is supported for 'passthrough' "
+                                 "input devices"));
+                return -1;
+            }
             break;
 
         case VIR_DOMAIN_INPUT_TYPE_LAST:
-- 
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