gentoo-overlay/app-emulation/lxc/files/lxc-2.1.1-fix-cgroup2-detection.patch

From cdfe90a49f516b0f1210d181980f14a4765e10da Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Mon, 30 Oct 2017 14:17:20 +0100
Subject: [PATCH] cgfsng: fix cgroup2 detection

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
 src/lxc/cgroups/cgfsng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 897336f0..e43edd7d 100644
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -815,7 +815,7 @@ static void add_controller(char **clist, char *mountpoint, char *base_cgroup)
 	new->fullcgpath = NULL;
 
 	/* record if this is the cgroup v2 hierarchy */
-	if (!strcmp(base_cgroup, "cgroup2"))
+	if (clist && !strcmp(*clist, "cgroup2"))
 		new->is_cgroup_v2 = true;
 	else
 		new->is_cgroup_v2 = false;
-- 
2.13.6