[PATCH 4/8] tty: n_gsm: send DM response when accessing an invalid channel

[Andrej Krpic]

Change C/R bit in a response to a UI/UIH frame sent to
non-existing/closed channel. As DM frame type is only valid as a
response, it should be sent using gsm_response function.

Signed-off-by: Andrej Krpic <a...@tnode.com>
---
 drivers/tty/n_gsm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 05b562d..8551fa4 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1857,7 +1857,7 @@ static void gsm_queue(struct gsm_mux *gsm)
                        goto invalid;
 #endif
                if (dlci == NULL || dlci->state != DLCI_OPEN) {
-                       gsm_command(gsm, address, DM|PF);
+                       gsm_response(gsm, address, DM|PF);
                        return;
                }
                dlci->data(dlci, gsm->buf, gsm->len);
-- 
2.7.0