[libvirt] [PATCH] remove unnecessary "V = NULL; " stmts after VIR_FREE(V)

Doing a review (in progress), I spotted one of these, so went in search of others. They're harmless, so this is more a heads up than anything else. I am happy to defer application until the patch queue has been reduced. From: Jim Meyering <meyering(a)redhat.com&gt; Date: Thu, 17 Jul 2008 12:05:44 +0200 Subject: [PATCH] remove unnecessary "V = NULL;" stmts after VIR_FREE(V) * src/domain_conf.c (virDomainChrDefParseXML) (virDomainNetDefParseXML): Likewise. * src/iptables.c (iptRuleFree): Likewise. * src/storage_backend.c (virStorageBackendRunProgRegex): Likewise. * src/test.c (testOpenFromFile): Likewise. * src/xm_internal.c (xenXMAttachInterface): Likewise. * src/xml.c (virDomainParseXMLOSDescHVM): Likewise. * src/xmlrpc.c (xmlRpcCallRaw): Likewise. --- src/domain_conf.c | 5 +---- src/iptables.c | 2 -- src/storage_backend.c | 4 +--- src/test.c | 8 ++------ src/xm_internal.c | 1 - src/xml.c | 1 - src/xmlrpc.c | 1 - 7 files changed, 4 insertions(+), 18 deletions(-) diff --git a/src/domain_conf.c b/src/domain_conf.c index 82c0ee6..6340c2a 100644 --- a/src/domain_conf.c +++ b/src/domain_conf.c @@ -696,7 +696,6 @@ virDomainNetDefParseXML(virConnectPtr conn, if (STRPREFIX((const char*)ifname, "vnet")) { /* An auto-generated target name, blank it out */ VIR_FREE(ifname); - ifname = NULL; } } else if ((script == NULL) && (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET) && @@ -954,10 +953,8 @@ virDomainChrDefParseXML(virConnectPtr conn, bindService = virXMLPropString(cur, "service"); } - if (def->type == VIR_DOMAIN_CHR_TYPE_UDP) { + if (def->type == VIR_DOMAIN_CHR_TYPE_UDP) VIR_FREE(mode); - mode = NULL; - } } } else if (xmlStrEqual(cur->name, BAD_CAST "protocol")) { if (protocol == NULL) diff --git a/src/iptables.c b/src/iptables.c index e7613e2..3e3a1a2 100644 --- a/src/iptables.c +++ b/src/iptables.c @@ -266,14 +266,12 @@ static void iptRuleFree(iptRule *rule) { VIR_FREE(rule->rule); - rule->rule = NULL; if (rule->argv) { int i = 0; while (rule->argv[i]) VIR_FREE(rule->argv[i++]); VIR_FREE(rule->argv); - rule->argv = NULL; } } diff --git a/src/storage_backend.c b/src/storage_backend.c index 3e4e39c..a164a08 100644 --- a/src/storage_backend.c +++ b/src/storage_backend.c @@ -444,10 +444,8 @@ virStorageBackendRunProgRegex(virConnectPtr conn, goto cleanup; /* Release matches & restart to matching the first regex */ - for (j = 0 ; j < totgroups ; j++) { + for (j = 0 ; j < totgroups ; j++) VIR_FREE(groups[j]); - groups[j] = NULL; - } maxReg = 0; ngroup = 0; } diff --git a/src/test.c b/src/test.c index d0bb003..b7b9df0 100644 --- a/src/test.c +++ b/src/test.c @@ -461,10 +461,8 @@ static int testOpenFromFile(virConnectPtr conn, dom->def->id = privconn->nextDomID++; dom->persistent = 1; } - if (domains != NULL) { + if (domains != NULL) VIR_FREE(domains); - domains = NULL; - } ret = virXPathNodeSet("/node/network", ctxt, &networks); if (ret < 0) { @@ -498,10 +496,8 @@ static int testOpenFromFile(virConnectPtr conn, net->persistent = 1; } - if (networks != NULL) { + if (networks != NULL) VIR_FREE(networks); - networks = NULL; - } xmlXPathFreeContext(ctxt); xmlFreeDoc(xml); diff --git a/src/xm_internal.c b/src/xm_internal.c index 3b264a8..60f32fe 100644 --- a/src/xm_internal.c +++ b/src/xm_internal.c @@ -2925,7 +2925,6 @@ xenXMAttachInterface(virDomainPtr domain, xmlXPathContextPtr ctxt, int hvm, if (virMacAddrCompare (dommac, (const char *) mac) == 0) { if (autoassign) { VIR_FREE(mac); - mac = NULL; if (!(mac = (xmlChar *)xenXMAutoAssignMac())) goto cleanup; /* initialize the list */ diff --git a/src/xml.c b/src/xml.c index d5730ed..477d466 100644 --- a/src/xml.c +++ b/src/xml.c @@ -1200,7 +1200,6 @@ virDomainParseXMLOSDescHVM(virConnectPtr conn, xmlNodePtr node, xmlFree(bus); } VIR_FREE(nodes); - nodes = NULL; } cur = virXPathNode("/domain/devices/parallel[1]", ctxt); diff --git a/src/xmlrpc.c b/src/xmlrpc.c index d627607..cbca389 100644 --- a/src/xmlrpc.c +++ b/src/xmlrpc.c @@ -443,7 +443,6 @@ static char *xmlRpcCallRaw(const char *url, const char *request) if (ret != len) { errno = EINVAL; VIR_FREE(response); - response = NULL; xmlRpcError(VIR_ERR_POST_FAILED, _("read response"), 0); } -- 1.5.6.3.385.g9f9af