[CRIU] [PATCH] restore: Report error if write into last pid failed

[Cyrill Gorcunov]

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 cr-restore.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cr-restore.c b/cr-restore.c
index b8b447399c2d..41f199ba2a56 100644
--- a/cr-restore.c
+++ b/cr-restore.c
@@ -1116,8 +1116,10 @@ static inline int fork_with_pid(struct pstree_item *item)
 		}
 
 		len = snprintf(buf, sizeof(buf), "%d", pid - 1);
-		if (write(ca.fd, buf, len) != len)
+		if (write(ca.fd, buf, len) != len) {
+			pr_perror("%d: Write %s to %s", pid, buf, LAST_PID_PATH);
 			goto err_unlock;
+		}
 	} else {
 		ca.fd = -1;
 		BUG_ON(pid != INIT_PID);
-- 
2.4.3