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[libvirt] [PATCH] bridge_driver: cleanup improvements in dhcpStartDhcpDaemon()



Run VIR_FREE only for non-NULL pointers.
---
 src/network/bridge_driver.c |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index b0834ae..f2857b4 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -534,34 +534,34 @@ dhcpStartDhcpDaemon(virNetworkObjPtr network)
     if (!VIR_SOCKET_IS_FAMILY(&network->def->ipAddress, AF_INET)) {
         networkReportError(VIR_ERR_INTERNAL_ERROR,
                            "%s", _("cannot start dhcp daemon without
IPv4 address for server"));
-        goto cleanup;
+        goto cleanup2;
     }

     if ((err = virFileMakePath(NETWORK_PID_DIR)) != 0) {
         virReportSystemError(err,
                              _("cannot create directory %s"),
                              NETWORK_PID_DIR);
-        goto cleanup;
+        goto cleanup2;
     }
     if ((err = virFileMakePath(NETWORK_STATE_DIR)) != 0) {
         virReportSystemError(err,
                              _("cannot create directory %s"),
                              NETWORK_STATE_DIR);
-        goto cleanup;
+        goto cleanup2;
     }

     if (!(pidfile = virFilePid(NETWORK_PID_DIR, network->def->name))) {
         virReportOOMError();
-        goto cleanup;
+        goto cleanup2;
     }

     cmd = virCommandNew(DNSMASQ);
     if (networkBuildDnsmasqArgv(network, pidfile, cmd) < 0) {
-        goto cleanup;
+        goto cleanup1;
     }

     if (virCommandRun(cmd, NULL) < 0)
-        goto cleanup;
+        goto cleanup1;

     /*
      * There really is no race here - when dnsmasq daemonizes, its
@@ -573,12 +573,13 @@ dhcpStartDhcpDaemon(virNetworkObjPtr network)

     if (virFileReadPid(NETWORK_PID_DIR, network->def->name,
                        &network->dnsmasqPid) < 0)
-        goto cleanup;
+        goto cleanup1;

     ret = 0;
-cleanup:
+cleanup1:
     VIR_FREE(pidfile);
     virCommandFree(cmd);
+cleanup2:
     return ret;
 }


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