Remove data structure holding list of ebtables rules

When adding/removing ebtables rules, the code would keep
an array of all rules in memory. This list of rules was
never used for any purpose and would be lost if libvirtd
restarted. Delete all the unused code.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

src/util/virebtables.c

@@ -97,83 +97,13 @@ enum {
     INSERT
 };
 
-static void
-ebtRuleFree(ebtRule *rule)
-{
-    VIR_FREE(rule->rule);
-
-    if (rule->argv) {
-        size_t i = 0;
-        while (rule->argv[i])
-            VIR_FREE(rule->argv[i++]);
-        VIR_FREE(rule->argv);
-    }
-}
-
-static int
-ebtRulesAppend(ebtRules *rules,
-               char *rule,
-               char **argv,
-               int command_idx)
-{
-    if (VIR_REALLOC_N(rules->rules, rules->nrules+1) < 0) {
-        size_t i = 0;
-        while (argv[i])
-            VIR_FREE(argv[i++]);
-        VIR_FREE(argv);
-        return ENOMEM;
-    }
-
-    rules->rules[rules->nrules].rule        = rule;
-    rules->rules[rules->nrules].argv        = argv;
-    rules->rules[rules->nrules].command_idx = command_idx;
-
-    rules->nrules++;
-
-    return 0;
-}
-
-static int
-ebtRulesRemove(ebtRules *rules,
-               char *rule)
-{
-    size_t i;
-
-    for (i = 0; i < rules->nrules; i++)
-        if (STREQ(rules->rules[i].rule, rule))
-            break;
-
-    if (i >= rules->nrules)
-        return EINVAL;
-
-    ebtRuleFree(&rules->rules[i]);
-
-    memmove(&rules->rules[i],
-            &rules->rules[i+1],
-            (rules->nrules - i - 1) * sizeof(ebtRule));
-
-    rules->nrules--;
-
-    return 0;
-}
 
 static void
 ebtRulesFree(ebtRules *rules)
 {
-    size_t i;
-
     VIR_FREE(rules->table);
     VIR_FREE(rules->chain);
 
-    if (rules->rules) {
-        for (i = 0; i < rules->nrules; i++)
-            ebtRuleFree(&rules->rules[i]);
-
-        VIR_FREE(rules->rules);
-
-        rules->nrules = 0;
-    }
-
     VIR_FREE(rules);
 }
 
@@ -192,9 +122,6 @@ ebtRulesNew(const char *table,
     if (VIR_STRDUP(rules->chain, chain) < 0)
         goto error;
 
-    rules->rules = NULL;
-    rules->nrules = 0;
-
     return rules;
 
  error:
@@ -208,7 +135,6 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...)
     va_list args;
     int retval = ENOMEM;
     char **argv;
-    char *rule = NULL;
     const char *s;
     int n, command_idx;
 
@@ -273,9 +199,6 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...)
 
     va_end(args);
 
-    if (!(rule = virArgvToString((const char **) &argv[command_idx])))
-        goto error;
-
     if (action == REMOVE) {
         VIR_FREE(argv[command_idx]);
         if (VIR_STRDUP(argv[command_idx], "--delete") < 0)
@@ -287,18 +210,7 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...)
         goto error;
     }
 
-    if (action == ADD || action == CREATE || action == POLICY ||
-        action == INSERT) {
-        retval = ebtRulesAppend(rules, rule, argv, command_idx);
-        rule = NULL;
-        argv = NULL;
-    } else {
-        retval = ebtRulesRemove(rules, rule);
-    }
-
  error:
-    VIR_FREE(rule);
-
     if (argv) {
         n = 0;
         while (argv[n])

src/util/virebtables.h

@@ -28,21 +28,10 @@
 
 # include "virmacaddr.h"
 
-typedef struct
-{
-    char  *rule;
-    char **argv;
-    int    command_idx;
-} ebtRule;
-
 typedef struct
 {
     char  *table;
     char  *chain;
-
-    int      nrules;
-    ebtRule *rules;
-
 } ebtRules;
 
 typedef struct _ebtablesContext ebtablesContext;