From: Juergen Perlinger <perlinger@ntp.org>
Date: Sat, 7 Apr 2018 11:54:34 +0000 (+0200)
Subject: [Bug 3432] - refclocks that 'write()' should check the result
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9fda1020e635c07a72cf95ea70c25f034959022;p=thirdparty%2Fntp.git

[Bug 3432] - refclocks that 'write()' should check the result
 - sidekick: unchecked write in async resover code

bk: 5ac8b17a-FbQY-zAHyPdx0RfVfvsrQ
---

diff --git a/libntp/work_thread.c b/libntp/work_thread.c
index 433290c4c..41a8e6e96 100644
--- a/libntp/work_thread.c
+++ b/libntp/work_thread.c
@@ -373,8 +373,10 @@ send_blocking_resp_internal(
 	/* queue consumer wake-up notification */
 	if (empty)
 	{
-#	    ifdef WORK_PIPE
-		write(c->resp_write_pipe, "", 1);
+#	    ifdef WORK_PIPE		
+		if (1 != write(c->resp_write_pipe, "", 1))
+			msyslog(LOG_ERR, "%s",
+				"async resolver notifation failed");
 #	    else
 		tickle_sem(c->responses_pending);
 #	    endif