nsapi_dns: cleanup dns queue when running out or memory

Antti Yli-Tokola · Antti Yli-Tokola · commit 1708ec2a3f88 · 2019-09-03T13:56:21.000+03:00
diff --git a/features/netsocket/nsapi_dns.cpp b/features/netsocket/nsapi_dns.cpp
@@ -726,6 +726,7 @@ nsapi_value_or_error_t nsapi_dns_query_multiple_async(NetworkStack *stack, const
         if (nsapi_dns_call_in(query->call_in_cb, DNS_TIMER_TIMEOUT, mbed::callback(nsapi_dns_query_async_timeout)) != NSAPI_ERROR_OK) {
             delete[] query->host;
             delete query;
+            dns_query_queue[index] = NULL;
             dns_mutex->unlock();
             return NSAPI_ERROR_NO_MEMORY;
         }

Original file line number	Diff line number	Diff line change
`@@ -726,6 +726,7 @@ nsapi_value_or_error_t nsapi_dns_query_multiple_async(NetworkStack *stack, const`
`726`	`726`	`if (nsapi_dns_call_in(query->call_in_cb, DNS_TIMER_TIMEOUT, mbed::callback(nsapi_dns_query_async_timeout)) != NSAPI_ERROR_OK) {`
`727`	`727`	`delete[] query->host;`
`728`	`728`	`delete query;`
	`729`	`+ dns_query_queue[index] = NULL;`
`729`	`730`	`dns_mutex->unlock();`
`730`	`731`	`return NSAPI_ERROR_NO_MEMORY;`
`731`	`732`	`}`