From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Wed, 10 May 2017 20:42:09 +0000 (-0400)
Subject: Fix: skip empty revents in notificationthread
X-Git-Tag: v2.11.0-rc1~588
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=2d01d9779f90daf38b43f57ef53137a1474db97e

Fix: skip empty revents in notificationthread

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/notification-thread.c b/src/bin/lttng-sessiond/notification-thread.c
index 58c3f2bff..059e62059 100644
--- a/src/bin/lttng-sessiond/notification-thread.c
+++ b/src/bin/lttng-sessiond/notification-thread.c
@@ -642,6 +642,9 @@ void *thread_notification(void *data)
 			int fd = LTTNG_POLL_GETFD(&state.events, i);
 			uint32_t revents = LTTNG_POLL_GETEV(&state.events, i);
 
+			if (!revents) {
+				continue;
+			}
 			DBG("[notification-thread] Handling fd (%i) activity (%u)", fd, revents);
 
 			if (fd == state.notification_channel_socket) {