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virNWFilterRuleDefToRuleInst: Restructure code to avoid cleanup

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Construct the 'ruleinst->vars' hash table separately in a temporary
variable so that 'ruleinst' can be allocated on success. This allows us
to get rid of the cleanup section.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-08-04 11:21:18 +02:00
parent 8d4468d007
commit abd045030e
1 changed files with 6 additions and 9 deletions
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15
src/nwfilter/nwfilter_gentech_driver.c
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@ -252,8 +252,11 @@ virNWFilterRuleDefToRuleInst(virNWFilterDef *def,
GHashTable *vars,
virNWFilterInst *inst)
{
g_autoptr(GHashTable) tmpvars = virHashNew(virNWFilterVarValueHashFree);
virNWFilterRuleInst *ruleinst;
int ret = -1;
if (virNWFilterHashTablePutAll(vars, tmpvars) < 0)
return -1;
ruleinst = g_new0(virNWFilterRuleInst, 1);
@ -261,17 +264,11 @@ virNWFilterRuleDefToRuleInst(virNWFilterDef *def,
ruleinst->chainPriority = def->chainPriority;
ruleinst->def = rule;
ruleinst->priority = rule->priority;
ruleinst->vars = virHashNew(virNWFilterVarValueHashFree);
if (virNWFilterHashTablePutAll(vars, ruleinst->vars) < 0)
goto cleanup;
ruleinst->vars = g_steal_pointer(&tmpvars);
VIR_APPEND_ELEMENT(inst->rules, inst->nrules, ruleinst);
ret = 0;
cleanup:
virNWFilterRuleInstFree(ruleinst);
return ret;
return 0;
}