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Merge pull request #14908 from Keelan10/zebra-tc-leak

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zebra: Set Free Functions for Traffic Control Hash Tables
This commit is contained in:
Donald Sharp 2023-11-29 13:48:45 -05:00 committed by GitHub
commit 8a72affa69
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 7 deletions
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6
zebra/zebra_router.c
View File

@ -241,9 +241,9 @@ void zebra_router_terminate(void)
zebra_pbr_ipset_entry_free);
hash_clean_and_free(&zrouter.ipset_hash, zebra_pbr_ipset_free);
hash_clean_and_free(&zrouter.iptable_hash, zebra_pbr_iptable_free);
hash_clean_and_free(&zrouter.filter_hash, NULL);
hash_clean_and_free(&zrouter.qdisc_hash, NULL);
hash_clean_and_free(&zrouter.class_hash, NULL);
hash_clean_and_free(&zrouter.filter_hash, (void (*)(void *)) zebra_tc_filter_free);
hash_clean_and_free(&zrouter.qdisc_hash, (void (*)(void *)) zebra_tc_qdisc_free);
hash_clean_and_free(&zrouter.class_hash, (void (*)(void *)) zebra_tc_class_free);
#ifdef HAVE_SCRIPTING
zebra_script_destroy();

23
zebra/zebra_tc.c
View File

@ -132,13 +132,18 @@ static void *tc_qdisc_alloc_intern(void *arg)
return new;
}
void zebra_tc_qdisc_free(struct zebra_tc_qdisc *qdisc)
{
XFREE(MTYPE_TC_QDISC, qdisc);
}
static struct zebra_tc_qdisc *tc_qdisc_free(struct zebra_tc_qdisc *hash_data,
bool free_data)
{
hash_release(zrouter.qdisc_hash, hash_data);
if (free_data) {
XFREE(MTYPE_TC_QDISC, hash_data);
zebra_tc_qdisc_free(hash_data);
return NULL;
}
@ -178,7 +183,7 @@ void zebra_tc_qdisc_install(struct zebra_tc_qdisc *qdisc)
new = hash_get(zrouter.qdisc_hash, qdisc,
tc_qdisc_alloc_intern);
(void)dplane_tc_qdisc_install(new);
XFREE(MTYPE_TC_QDISC, old);
zebra_tc_qdisc_free(old);
}
} else {
new = hash_get(zrouter.qdisc_hash, qdisc,
@ -243,13 +248,18 @@ static void *tc_class_alloc_intern(void *arg)
return new;
}
void zebra_tc_class_free(struct zebra_tc_class *class)
{
XFREE(MTYPE_TC_CLASS, class);
}
static struct zebra_tc_class *tc_class_free(struct zebra_tc_class *hash_data,
bool free_data)
{
hash_release(zrouter.class_hash, hash_data);
if (free_data) {
XFREE(MTYPE_TC_CLASS, hash_data);
zebra_tc_class_free(hash_data);
return NULL;
}
@ -353,13 +363,18 @@ bool zebra_tc_filter_hash_equal(const void *arg1, const void *arg2)
return true;
}
void zebra_tc_filter_free(struct zebra_tc_filter *filter)
{
XFREE(MTYPE_TC_FILTER, filter);
}
static struct zebra_tc_filter *tc_filter_free(struct zebra_tc_filter *hash_data,
bool free_data)
{
hash_release(zrouter.filter_hash, hash_data);
if (free_data) {
XFREE(MTYPE_TC_FILTER, hash_data);
zebra_tc_filter_free(hash_data);
return NULL;
}

3
zebra/zebra_tc.h
View File

@ -42,16 +42,19 @@ uint32_t zebra_tc_qdisc_hash_key(const void *arg);
bool zebra_tc_qdisc_hash_equal(const void *arg1, const void *arg2);
void zebra_tc_qdisc_install(struct zebra_tc_qdisc *qdisc);
void zebra_tc_qdisc_uninstall(struct zebra_tc_qdisc *qdisc);
void zebra_tc_qdisc_free(struct zebra_tc_qdisc *qdisc);
uint32_t zebra_tc_class_hash_key(const void *arg);
bool zebra_tc_class_hash_equal(const void *arg1, const void *arg2);
void zebra_tc_class_add(struct zebra_tc_class *class);
void zebra_tc_class_delete(struct zebra_tc_class *class);
void zebra_tc_class_free(struct zebra_tc_class *class);
const char *tc_filter_kind2str(uint32_t type);
enum tc_qdisc_kind tc_filter_str2kind(const char *type);
void zebra_tc_filter_add(struct zebra_tc_filter *filter);
void zebra_tc_filter_delete(struct zebra_tc_filter *filter);
void zebra_tc_filter_free(struct zebra_tc_filter *filter);
void zebra_tc_filters_free(void *arg);
uint32_t zebra_tc_filter_hash_key(const void *arg);