[CRIU] [PATCH] tty: Deprecate no-regfile entry case

[Pavel Emelyanov]

TTY files carry link on regfile entry since 1.4 (commit caa64d97)

Signed-off-by: Pavel Emelyanov <xemul at virtuozzo.com>
---
 criu/tty.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/criu/tty.c b/criu/tty.c
index 3eda281..b152685 100644
--- a/criu/tty.c
+++ b/criu/tty.c
@@ -1541,6 +1541,9 @@ static int collect_one_tty(void *obj, ProtobufCMessage *msg, struct cr_img *i)
 	 */
 	info->reg_d = try_collect_special_file(info->tfe->id, 1);
 	if (!info->reg_d) {
+		if (!deprecated_ok("TTY w/o regfile"))
+			return -1;
+
 		if (is_pty(info->driver)) {
 			info->reg_d = pty_alloc_reg(info, true);
 			if (!info->reg_d) {
-- 
2.5.0