tty/serial: lay the foundations for the next set of reworks

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

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 32fe8dca24b63620596f939aef30039e6cb62fff..00cfb6c7fd4698b019188cfefb46ec457667a0bd 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