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[libvirt] nwfilter: Fix memory leak



Below patch fixes this coverity report:

/libvirt/src/conf/nwfilter_conf.c:382:
leaked_storage: Variable "varAccess" going out of scope leaks the storage it points to.

---
 src/conf/nwfilter_conf.c |    1 +
 1 file changed, 1 insertion(+)

Index: libvirt-acl/src/conf/nwfilter_conf.c
===================================================================
--- libvirt-acl.orig/src/conf/nwfilter_conf.c
+++ libvirt-acl/src/conf/nwfilter_conf.c
@@ -379,6 +379,7 @@ virNWFilterRuleDefAddVar(virNWFilterRule

     if (VIR_EXPAND_N(nwf->varAccess, nwf->nVarAccess, 1) < 0) {
         virReportOOMError();
+        virNWFilterVarAccessFree(varAccess);
         return -1;
     }


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