[CRIU] [PATCH] seize: collect_pstree -- Add missing error sign return

[Cyrill Gorcunov]

From: Cyrill Gorcunov <gorcunov at virtuozzo.com>

If we can't freeze process don't forget to return
error sign, otherwise we continue operating over
nonfrozen processes, leading into various errors.

Signed-off-by: Cyrill Gorcunov <gorcunov at virtuozzo.com>
---
 criu/seize.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/criu/seize.c b/criu/seize.c
index e19fbfec3d78..e1e805a151db 100644
--- a/criu/seize.c
+++ b/criu/seize.c
@@ -765,8 +765,10 @@ int collect_pstree(void)
 	if (ret < 0)
 		goto err;
 
-	if (opts.freeze_cgroup && freezer_wait_processes())
+	if (opts.freeze_cgroup && freezer_wait_processes()) {
+		ret = -1;
 		goto err;
+	}
 
 	ret = 0;
 	timing_stop(TIME_FREEZING);
-- 
2.7.4