From: Marek Vavruša <marek.vavrusa@nic.cz>
Date: Thu, 26 Nov 2015 17:09:21 +0000 (+0100)
Subject: daemon: do not call back when recv-end
X-Git-Tag: v1.0.0-beta3~83
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b03632d8b049aabc0961da9abcda2714ee5c82a;p=thirdparty%2Fknot-resolver.git

daemon: do not call back when recv-end
---

diff --git a/daemon/io.c b/daemon/io.c
index 04f2b6aec..5000319a2 100644
--- a/daemon/io.c
+++ b/daemon/io.c
@@ -56,7 +56,9 @@ void udp_recv(uv_udp_t *handle, ssize_t nread, const uv_buf_t *buf,
 	uv_loop_t *loop = handle->loop;
 	struct worker_ctx *worker = loop->data;
 	if (nread <= 0) {
-		worker_exec(worker, (uv_handle_t *)handle, NULL, addr);
+		if (nread < 0) { /* Error response, notify resolver */
+			worker_exec(worker, (uv_handle_t *)handle, NULL, addr);
+		} /* nread == 0 is for freeing buffers, we don't need to do this */
 		return;
 	}