[libvirt] [PATCH v4 2/2] network_conf: check if bridge exists on host for user created bridges

Shivaprasad G Bhat shivaprasadbhat at gmail.com
Wed Mar 25 14:05:12 UTC 2015


virNetworkBridgeInUse() doesn't check if the bridge is manually created
outside of libvirt. Check if the bridge actually exist on host using the
virNetDevExists().

Signed-off-by: Shivaprasad G Bhat <sbhat at linux.vnet.ibm.com>
---
 src/conf/network_conf.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/conf/network_conf.c b/src/conf/network_conf.c
index b334b64..8e9f3ac 100644
--- a/src/conf/network_conf.c
+++ b/src/conf/network_conf.c
@@ -3294,6 +3294,7 @@ int virNetworkBridgeInUse(virNetworkObjListPtr nets,
                           const char *bridge,
                           const char *skipname)
 {
+    int ret;
     virNetworkObjPtr obj;
     struct virNetworkBridgeInUseHelperData data = {bridge, skipname};
 
@@ -3301,7 +3302,12 @@ int virNetworkBridgeInUse(virNetworkObjListPtr nets,
     obj = virHashSearch(nets->objs, virNetworkBridgeInUseHelper, &data);
     virObjectUnlock(nets);
 
-    return obj != NULL;
+    if (obj)
+        ret = 1;
+    else /* Bridge might have been created by a user manually outside libvirt */
+        ret = virNetDevExists(bridge) ? 1 : 0;
+
+    return ret;
 }
 
 char *virNetworkAllocateBridge(virNetworkObjListPtr nets,




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