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-rw-r--r--drivers/tty/n_gsm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index cc90b03ce005..6b953dfbb155 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2146,8 +2146,8 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc)
/* Finish outstanding timers, making sure they are done */
del_timer_sync(&gsm->t2_timer);
- /* Free up any link layer users */
- for (i = 0; i < NUM_DLCI; i++)
+ /* Free up any link layer users and finally the control channel */
+ for (i = NUM_DLCI - 1; i >= 0; i--)
if (gsm->dlci[i])
gsm_dlci_release(gsm->dlci[i]);
mutex_unlock(&gsm->mutex);