fix(mdns): fix the exception when remove one of multiple service

lhespress · suren-gabrielyan-espressif · commit b26c8665f826 · 2022-05-27T17:44:22.000+04:00
* Original commit: espressif/esp-idf@696d733
diff --git a/components/mdns/mdns.c b/components/mdns/mdns.c
@@ -3703,7 +3703,7 @@ static void _mdns_execute_action(mdns_action_t * action)
                 a = a->next;
             }
             if (a->next == action->data.srv_del.service) {
-                mdns_srv_item_t * b = a;
+                mdns_srv_item_t * b = a->next;
                 a->next = a->next->next;
                 _mdns_send_bye(&b, 1, false);
                 _mdns_free_service(b->service);

Original file line number	Diff line number	Diff line change
`@@ -3703,7 +3703,7 @@ static void _mdns_execute_action(mdns_action_t * action)`
`3703`	`3703`	`a = a->next;`
`3704`	`3704`	`}`
`3705`	`3705`	`if (a->next == action->data.srv_del.service) {`
`3706`		`- mdns_srv_item_t * b = a;`
	`3706`	`+ mdns_srv_item_t * b = a->next;`
`3707`	`3707`	`a->next = a->next->next;`
`3708`	`3708`	`_mdns_send_bye(&b, 1, false);`
`3709`	`3709`	`_mdns_free_service(b->service);`