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authorArnd Bergmann <arnd@arndb.de>2010-06-01 22:53:01 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 13:47:43 -0700
commitec79d6056de58511d8e46d9ae59d3878f958dc3e (patch)
tree8e73cf399c4cb3c31dbf3caced385cfc018a706a /drivers/serial/68360serial.c
parent3f582b8c11014e4ce310d9839fb335164195333f (diff)
tty: replace BKL with a new tty_lock
As a preparation for replacing the big kernel lock in the TTY layer, wrap all the callers in new macros tty_lock, tty_lock_nested and tty_unlock. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial/68360serial.c')
-rw-r--r--drivers/serial/68360serial.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index 768612f8e41e..16f5f2fab032 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -1705,7 +1705,7 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout)
printk("jiff=%lu...", jiffies);
#endif
- lock_kernel();
+ tty_lock_nested(); /* always held already since we come from ->close */
/* We go through the loop at least once because we can't tell
* exactly when the last character exits the shifter. There can
* be at least two characters waiting to be sent after the buffers
@@ -1734,7 +1734,7 @@ static void rs_360_wait_until_sent(struct tty_struct *tty, int timeout)
bdp--;
} while (bdp->status & BD_SC_READY);
current->state = TASK_RUNNING;
- unlock_kernel();
+ tty_unlock();
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies);
#endif