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-rw-r--r--server/resolv/async_resolv.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/server/resolv/async_resolv.c b/server/resolv/async_resolv.c
index 0be79185..ce92c8a7 100644
--- a/server/resolv/async_resolv.c
+++ b/server/resolv/async_resolv.c
@@ -160,11 +160,23 @@ static void
check_fd_timeouts(struct tevent_context *ev, struct tevent_timer *te,
struct timeval current_time, void *private_data)
{
- struct resolv_ctx *ctx = private_data;
+ struct resolv_ctx *ctx = talloc_get_type(private_data, struct resolv_ctx);
DEBUG(9, ("Checking for DNS timeouts\n"));
+
+ /* NULLify the timeout_watcher so we don't
+ * free it in the _done() function if it
+ * gets called. Now that we're already in
+ * the handler, tevent will take care of
+ * freeing it when it returns.
+ */
+ ctx->timeout_watcher = NULL;
+
ares_process_fd(ctx->channel, ARES_SOCKET_BAD, ARES_SOCKET_BAD);
- add_timeout_timer(ev, ctx);
+
+ if (ctx->pending_requests > 0) {
+ add_timeout_timer(ev, ctx);
+ }
}
static void