Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

[linux-2.6] / drivers / char / rocket.c

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 32fe8dca24b63620596f939aef30039e6cb62fff..743dc80a9325bd806476fe9e91fb72d46297d27e 100644 (file)
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1585,6 +1585,7 @@ static void rp_wait_until_sent(struct tty_struct *tty, int timeout)
               jiffies);
        printk(KERN_INFO "cps=%d...\n", info->cps);
 #endif
+       lock_kernel();
        while (1) {
                txcnt = sGetTxCnt(cp);
                if (!txcnt) {
@@ -1612,6 +1613,7 @@ static void rp_wait_until_sent(struct tty_struct *tty, int timeout)
                        break;
        }
        __set_current_state(TASK_RUNNING);
+       unlock_kernel();
 #ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
        printk(KERN_INFO "txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies);
 #endif
@@ -1661,14 +1663,14 @@ static void rp_hangup(struct tty_struct *tty)
  *  writing routines will write directly to transmit FIFO.
  *  Write buffer and counters protected by spinlocks
  */
-static void rp_put_char(struct tty_struct *tty, unsigned char ch)
+static int rp_put_char(struct tty_struct *tty, unsigned char ch)
 {
        struct r_port *info = (struct r_port *) tty->driver_data;
        CHANNEL_t *cp;
        unsigned long flags;
 
        if (rocket_paranoia_check(info, "rp_put_char"))
-               return;
+               return 0;
 
        /*
         * Grab the port write mutex, locking out other processes that try to
@@ -1697,6 +1699,7 @@ static void rp_put_char(struct tty_struct *tty, unsigned char ch)
        }
        spin_unlock_irqrestore(&info->slock, flags);
        mutex_unlock(&info->write_mtx);
+       return 1;
 }
 
 /*