From 45cea167f3622f419f5cc2cd25e35844141e5af2 Mon Sep 17 00:00:00 2001
From: Tycho Andersen <tycho.andersen@canonical.com>
Date: Tue, 21 Jun 2016 22:41:38 +0000
Subject: [PATCH] cgroup: improve error message on bad cgroup prop open

CC: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
---
 criu/cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/criu/cgroup.c b/criu/cgroup.c
index d761ae6c0..939e22054 100644
--- a/criu/cgroup.c
+++ b/criu/cgroup.c
@@ -1149,7 +1149,7 @@ static int restore_cgroup_prop(const CgroupPropEntry * cg_prop_entry_p,
 	cg = get_service_fd(CGROUP_YARD);
 	fd = openat(cg, path, O_WRONLY);
 	if (fd < 0) {
-		pr_err("bad file stream?");
+		pr_perror("bad cgroup path: %s", path);
 		return -1;
 	}