n_gsm: switch dead to bool

Both gsm_dlci->dead and gsm_mux->dead are used as bools, so treat them
as such.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219084949.28074-7-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 8afe635..24ce46e 100644 (file)
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -140,7 +140,7 @@ struct gsm_dlci {
        int prev_adaption;
        u32 modem_rx;           /* Our incoming virtual modem lines */
        u32 modem_tx;           /* Our outgoing modem lines */
-       int dead;               /* Refuse re-open */
+       bool dead;              /* Refuse re-open */
        /* Flow control */
        int throttled;          /* Private copy of throttle state */
        int constipated;        /* Throttle status for outgoing */
@@ -232,7 +232,7 @@ struct gsm_mux {
        unsigned int mru;
        unsigned int mtu;
        int initiator;                  /* Did we initiate connection */
-       int dead;                       /* Has the mux been shut down */
+       bool dead;                      /* Has the mux been shut down */
        struct gsm_dlci *dlci[NUM_DLCI];
        int constipated;                /* Asked by remote to shut up */
 
@@ -1207,8 +1207,8 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
                struct gsm_dlci *dlci = gsm->dlci[0];
                /* Modem wishes to close down */
                if (dlci) {
-                       dlci->dead = 1;
-                       gsm->dead = 1;
+                       dlci->dead = true;
+                       gsm->dead = true;
                        gsm_dlci_begin_close(dlci);
                }
                }
@@ -1434,7 +1434,7 @@ static void gsm_dlci_close(struct gsm_dlci *dlci)
                tty_port_tty_hangup(&dlci->port, false);
                kfifo_reset(&dlci->fifo);
        } else
-               dlci->gsm->dead = 1;
+               dlci->gsm->dead = true;
        wake_up(&dlci->gsm->event);
        /* A DLCI 0 close is a MUX termination so we need to kick that
           back to userspace somehow */
@@ -2081,7 +2081,7 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm)
        struct gsm_dlci *dlci = gsm->dlci[0];
        struct gsm_msg *txq, *ntxq;
 
-       gsm->dead = 1;
+       gsm->dead = true;
 
        spin_lock(&gsm_mux_lock);
        for (i = 0; i < MAX_MUX; i++) {
@@ -2098,7 +2098,7 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm)
        del_timer_sync(&gsm->t2_timer);
        /* Now we are sure T2 has stopped */
        if (dlci)
-               dlci->dead = 1;
+               dlci->dead = true;
 
        /* Free up any link layer users */
        mutex_lock(&gsm->mutex);
@@ -2152,7 +2152,7 @@ static int gsm_activate_mux(struct gsm_mux *gsm)
        dlci = gsm_dlci_alloc(gsm, 0);
        if (dlci == NULL)
                return -ENOMEM;
-       gsm->dead = 0;          /* Tty opens are now permissible */
+       gsm->dead = false;              /* Tty opens are now permissible */
        return 0;
 }
 
@@ -2236,7 +2236,7 @@ static struct gsm_mux *gsm_alloc_mux(void)
        gsm->encoding = 1;
        gsm->mru = 64;  /* Default to encoding 1 so these should be 64 */
        gsm->mtu = 64;
-       gsm->dead = 1;  /* Avoid early tty opens */
+       gsm->dead = true;       /* Avoid early tty opens */
 
        return gsm;
 }