[libvirt] [PATCHv2] Fix virDomainChrEquals for spicevmc

[Ján Tomko]

virDomainChrSourceDefIsEqual should return 'true' for
identical SPICEVMC chardevs, and those that have no source
specification.

After this change, a failed hotplug no longer leaves a stale
pointer in the domain definition.

https://bugzilla.redhat.com/show_bug.cgi?id=1162097
---
 src/conf/domain_conf.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 54b2bfe..73b2393 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1591,13 +1591,14 @@ virDomainChrSourceDefIsEqual(const virDomainChrSourceDef *src,
                               tgt->data.spiceport.channel);
         break;
 
+    case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
+        return src->data.spicevmc == tgt->data.spicevmc;
+
     case VIR_DOMAIN_CHR_TYPE_NULL:
     case VIR_DOMAIN_CHR_TYPE_VC:
     case VIR_DOMAIN_CHR_TYPE_STDIO:
-    case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
     case VIR_DOMAIN_CHR_TYPE_LAST:
-        /* nada */
-        break;
+        return true;
     }
 
     return false;
-- 
2.0.4