From: Dagobert Michelsen <dam@opencsw.org>
Date: Thu, 28 May 2015 11:19:02 +0000 (+0200)
Subject: Handle case when zone_scandir() returns NULL
X-Git-Tag: collectd-5.6.0~709^2~4
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=1d2d244077bd02f5ab7b53aef27f8d6e343f8a4a

Handle case when zone_scandir() returns NULL
---

diff --git a/src/zone.c b/src/zone.c
index 52dd977b..e4aad815 100644
--- a/src/zone.c
+++ b/src/zone.c
@@ -188,6 +188,9 @@ static int zone_read (void)
 
 	tree=zone_scandir(procdir);
 	closedir(procdir);
+	if (tree == NULL) {
+		return (-1);
+	}
 	zone_submit_values(tree); /* this also frees tree */
 	return (0);
 }