From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Thu, 7 Dec 2017 14:09:46 +0000 (+0100)
Subject: coverity: #1425923
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=241f7d14656d9479a5b5cfc258743ac71d44bb2f;p=thirdparty%2Flxc.git

coverity: #1425923

avoid NULL-pointer dereference

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/cgfs.c b/src/lxc/cgfs.c
index 43c715f36..202ce6610 100644
--- a/src/lxc/cgfs.c
+++ b/src/lxc/cgfs.c
@@ -538,7 +538,10 @@ static bool find_hierarchy_mountpts( struct cgroup_meta_data *meta_data, char **
 			}
 		}
 
-		k = lxc_array_len((void **)h->all_mount_points);
+		if (h)
+			k = lxc_array_len((void **)h->all_mount_points);
+		else
+			k = 0;
 		r = lxc_grow_array((void ***)&h->all_mount_points, &h->all_mount_point_capacity, k + 1, 4);
 		if (r < 0)
 			goto out;