[libvirt] [PATCH 2/7] parallels: fix parallelsLoadNetworks

Maxim Nestratov mnestratov at parallels.com
Fri Mar 13 15:52:45 UTC 2015


Don't fail initialization of parallels driver if
parallelsLoadNetwork fails for optional networks.
This can happen when some of them are added manually
and configured incompletely. PCS requires only two networks
created automatically (named Host-Only and Bridged), others
are optional and their incompletenes can be ignored.

Signed-off-by: Maxim Nestratov <mnestratov at parallels.com>
---
 src/parallels/parallels_network.c |   43 +++++++++++++++++++++++-------------
 1 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/src/parallels/parallels_network.c b/src/parallels/parallels_network.c
index bb7ec5e..4dc7115 100644
--- a/src/parallels/parallels_network.c
+++ b/src/parallels/parallels_network.c
@@ -180,9 +180,10 @@ static int parallelsGetHostOnlyNetInfo(virNetworkDefPtr def, const char *name)
     return ret;
 }
 
-static virNetworkObjPtr
+static int
 parallelsLoadNetwork(parallelsConnPtr privconn, virJSONValuePtr jobj)
 {
+    int ret = -1;
     virNetworkObjPtr net;
     virNetworkDefPtr def;
     const char *tmp;
@@ -214,13 +215,25 @@ parallelsLoadNetwork(parallelsConnPtr privconn, virJSONValuePtr jobj)
     if (STREQ(tmp, PARALLELS_BRIDGED_NETWORK_TYPE)) {
         def->forward.type = VIR_NETWORK_FORWARD_BRIDGE;
 
-        if (parallelsGetBridgedNetInfo(def, jobj) < 0)
+        if (parallelsGetBridgedNetInfo(def, jobj) < 0) {
+
+            /* Only mandatory networks required to be configured completely */
+            if (!STREQ(def->name, PARALLELS_REQUIRED_BRIDGED_NETWORK))
+                ret = 0;
+
             goto cleanup;
+        }
     } else if (STREQ(tmp, PARALLELS_HOSTONLY_NETWORK_TYPE)) {
         def->forward.type = VIR_NETWORK_FORWARD_NONE;
 
-        if (parallelsGetHostOnlyNetInfo(def, def->name) < 0)
+        if (parallelsGetHostOnlyNetInfo(def, def->name) < 0) {
+
+            /* Only mandatory networks required to be configured completely */
+            if (!STREQ(def->name, PARALLELS_REQUIRED_HOSTONLY_NETWORK))
+                ret = 0;
+
             goto cleanup;
+        }
     } else {
         parallelsParseError();
         goto cleanup;
@@ -230,14 +243,16 @@ parallelsLoadNetwork(parallelsConnPtr privconn, virJSONValuePtr jobj)
         goto cleanup;
     net->active = 1;
     net->autostart = 1;
-    return net;
+    virNetworkObjEndAPI(&net);
+    ret = 0;
+    return ret;
 
  cleanup:
     virNetworkDefFree(def);
-    return NULL;
+    return ret;
 }
 
-static virNetworkObjPtr
+static int
 parallelsAddRoutedNetwork(parallelsConnPtr privconn)
 {
     virNetworkObjPtr net = NULL;
@@ -264,18 +279,18 @@ parallelsAddRoutedNetwork(parallelsConnPtr privconn)
     }
     net->active = 1;
     net->autostart = 1;
+    virNetworkObjEndAPI(&net);
 
-    return net;
+    return 0;
 
  cleanup:
     virNetworkDefFree(def);
-    return NULL;
+    return -1;
 }
 
 static int parallelsLoadNetworks(parallelsConnPtr privconn)
 {
     virJSONValuePtr jobj, jobj2;
-    virNetworkObjPtr net = NULL;
     int ret = -1;
     int count;
     size_t i;
@@ -300,22 +315,18 @@ static int parallelsLoadNetworks(parallelsConnPtr privconn)
             goto cleanup;
         }
 
-        net = parallelsLoadNetwork(privconn, jobj2);
-        if (!net)
+        ret = parallelsLoadNetwork(privconn, jobj2);
+        if (!ret)
             goto cleanup;
-        else
-            virNetworkObjEndAPI(&net);
-
     }
 
-    if (!(net = parallelsAddRoutedNetwork(privconn)))
+    if (!(ret = parallelsAddRoutedNetwork(privconn)))
         goto cleanup;
 
     ret = 0;
 
  cleanup:
     virJSONValueFree(jobj);
-    virNetworkObjEndAPI(&net);
     return ret;
 }
 
-- 
1.7.1




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