cgroups: remove unused variable

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

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index cf0f5fbc52abd592e67d6b98270fad6de4cfc1d7..f35c423ce109692a048da069e37cd07091d67230 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -1238,7 +1238,6 @@ static bool check_cgroup_dir_config(struct lxc_conf *conf)
        const char *monitor_dir = conf->cgroup_meta.monitor_dir,
                   *container_dir = conf->cgroup_meta.container_dir,
                   *namespace_dir = conf->cgroup_meta.namespace_dir;
-       size_t prefix_len;
 
        /* none of the new options are set, all is fine */
        if (!monitor_dir && !container_dir && !namespace_dir)