[PATCH] drivers/char: fix-up schedule_timeout() usage

Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index d0ef1ae41298..45d012d85e8c 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1058,8 +1058,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
                  */
                 timeout = jiffies + HZ;
                 while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(5);
+                        schedule_timeout_interruptible(5);
                         if (time_after(jiffies, timeout))
                                 break;
                 }
@@ -1080,10 +1079,8 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
         info->event = 0;
         info->tty = NULL;
         if (info->blocked_open) {
-                if (info->close_delay) {
-                        set_current_state(TASK_INTERRUPTIBLE);
-                        schedule_timeout(info->close_delay);
-                }
+                if (info->close_delay)
+                        schedule_timeout_interruptible(info->close_delay);
                 wake_up_interruptible(&info->open_wait);
         }
 
@@ -1801,8 +1798,7 @@ static void mxser_wait_until_sent(struct tty_struct *tty, int timeout)
 #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
                 printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
 #endif
-                set_current_state(TASK_INTERRUPTIBLE);
-                schedule_timeout(char_time);
+                schedule_timeout_interruptible(char_time);
                 if (signal_pending(current))
                         break;
                 if (timeout && time_after(jiffies, orig_jiffies + timeout))