1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 04ef3ef0a422..c5f8e5bda2b2 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -716,8 +716,8 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
                 if (msg->len < 128)
                         *--dp = (msg->len << 1) | EA;
                 else {
-                        *--dp = (msg->len >> 6) | EA;
-                        *--dp = (msg->len & 127) << 1;
+                        *--dp = (msg->len >> 7);        /* bits 7 - 15 */
+                        *--dp = (msg->len & 127) << 1;  /* bits 0 - 6 */
                 }
         }
 
@@ -968,6 +968,8 @@ static void gsm_control_reply(struct gsm_mux *gsm, int cmd, u8 *data,
 {
         struct gsm_msg *msg;
         msg = gsm_data_alloc(gsm, 0, dlen + 2, gsm->ftype);
+        if (msg == NULL)
+                return;
         msg->data[0] = (cmd & 0xFE) << 1 | EA;  /* Clear C/R */
         msg->data[1] = (dlen << 1) | EA;
         memcpy(msg->data + 2, data, dlen);
@@ -2375,6 +2377,7 @@ static int gsmld_config(struct tty_struct *tty, struct gsm_mux *gsm,
         gsm->mru = c->mru;
         gsm->encoding = c->encapsulation;
         gsm->adaption = c->adaption;
+        gsm->n2 = c->n2;
 
         if (c->i == 1)
                 gsm->ftype = UIH;