[libvirt] [PATCH 5/8] Remove data structure holding list of ebtables rules

[Daniel P. Berrange]

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 at redhat.com>
---
 src/util/virebtables.c | 88 --------------------------------------------------
 src/util/virebtables.h | 11 -------
 2 files changed, 99 deletions(-)

diff --git a/src/util/virebtables.c b/src/util/virebtables.c
index 6f28b4b..13ab51e 100644
--- a/src/util/virebtables.c
+++ b/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])
diff --git a/src/util/virebtables.h b/src/util/virebtables.h
index b0ca09f..7a93a6d 100644
--- a/src/util/virebtables.h
+++ b/src/util/virebtables.h
@@ -30,19 +30,8 @@
 
 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;
-- 
1.8.5.3