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Merge pull request #5844 from qlyoung/fix-zebra-gr-unnecessary-malloc

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Fix zebra gr unnecessary malloc
This commit is contained in:
Donatas Abraitis 2020-02-21 15:03:46 +02:00 committed by GitHub
commit ac26ef2b25
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 18 deletions
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29
zebra/zebra_gr.c
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@ -468,9 +468,7 @@ static int32_t zebra_gr_route_stale_delete_timer_expiry(struct thread *thread)
LOG_GR("%s: Client %s all starle routes processed", __func__,
zebra_route_string(client->proto));
if (info->current_prefix != NULL)
XFREE(MTYPE_TMP, info->current_prefix);
info->current_prefix = NULL;
XFREE(MTYPE_TMP, info->current_prefix);
info->current_afi = 0;
zebra_gr_delete_stale_client(info);
}
@ -516,7 +514,6 @@ static int32_t zebra_gr_delete_stale_route(struct client_gr_info *info,
struct route_entry *next;
struct route_table *table;
int32_t n = 0;
struct prefix *p;
afi_t afi, curr_afi;
uint8_t proto;
uint16_t instance;
@ -541,25 +538,21 @@ static int32_t zebra_gr_delete_stale_route(struct client_gr_info *info,
/* Process routes for all AFI */
for (afi = curr_afi; afi < AFI_MAX; afi++) {
table = zvrf->table[afi][SAFI_UNICAST];
p = info->current_prefix;
if (table) {
/*
* If the current prefix is NULL then get the first
* route entry in the table
*/
if (p == NULL) {
if (info->current_prefix == NULL) {
rn = route_top(table);
if (rn == NULL)
continue;
p = XCALLOC(MTYPE_TMP, sizeof(struct prefix));
if (p == NULL)
return -1;
curr = rn;
prefix_copy(p, &rn->p);
} else
/* Get the next route entry */
curr = route_table_get_next(table, p);
curr = route_table_get_next(
table, info->current_prefix);
for (rn = curr; rn; rn = srcdest_route_next(rn)) {
RNODE_FOREACH_RE_SAFE (rn, re, next) {
@ -583,9 +576,13 @@ static int32_t zebra_gr_delete_stale_route(struct client_gr_info *info,
*/
if ((n >= ZEBRA_MAX_STALE_ROUTE_COUNT)
&& (info->delete == false)) {
prefix_copy(p, &rn->p);
info->current_afi = afi;
info->current_prefix = p;
info->current_prefix = XCALLOC(
MTYPE_TMP,
sizeof(struct prefix));
prefix_copy(
info->current_prefix,
&rn->p);
return n;
}
}
@ -595,11 +592,7 @@ static int32_t zebra_gr_delete_stale_route(struct client_gr_info *info,
* Reset the current prefix to indicate processing completion
* of the current AFI
*/
if (info->current_prefix) {
XFREE(MTYPE_TMP, info->current_prefix);
info->current_prefix = NULL;
}
continue;
XFREE(MTYPE_TMP, info->current_prefix);
}
return 0;
}