From: Sascha Wildner <saw@online.de>
Date: Tue, 16 Oct 2012 04:36:09 +0000 (+0200)
Subject: monitor(1): Check kevent().
X-Git-Tag: v3.4.0rc~991^2~39
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/09af4d5f0e15a047a358679c7956fd4f8093dd0f

monitor(1): Check kevent().

Found-by: gcc47
---

diff --git a/usr.bin/monitor/monitor.c b/usr.bin/monitor/monitor.c
index bb438dc8f7..277b006638 100644
--- a/usr.bin/monitor/monitor.c
+++ b/usr.bin/monitor/monitor.c
@@ -122,7 +122,7 @@ monitor_add(const char *path)
 {
 	monitor_elm_t elm;
 	struct kevent kev;
-	int __unused n;
+	int n;
 
 	elm = malloc(sizeof(*elm));
 	bzero(elm, sizeof(*elm));
@@ -137,6 +137,10 @@ monitor_add(const char *path)
 	       NOTE_LINK|NOTE_RENAME|NOTE_REVOKE,
 	       0, NULL);
 	n = kevent(KQueueFd, &kev, 1, NULL, 0, NULL);
+	if (n < 0) {
+		perror("kqueue");
+		exit(1);
+	}
 
 	if (elm->fd >= NumFiles) {
 		MaxFiles = (elm->fd + 16) * 3 / 2;