cgroups: fix error checking

Fixes: Coverity 1473310
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 5d4275c01387ec523f7cfa52e84c952a36bf679e..283b0dbe1d8629a3d165f049ea44da925bd795de 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -3432,7 +3432,7 @@ int cgroup_attach(const struct lxc_conf *conf, const char *name,
 
        ret = __cgroup_attach_many(conf, name, lxcpath, pid);
        if (ret < 0) {
-               if (ret != ENOSYS)
+               if (ret != -ENOSYS)
                        return ret;
 
                ret = __cgroup_attach_unified(conf, name, lxcpath, pid);