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

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(a)linux.vnet.ibm.com&gt; --- 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,