[PATCH 6/7] TTY: serial_core, remove superfluous set_task_state

[Jiri Slaby]

msleep* is guaranteed to return with TASK_RUNNING task state. And
since there is no other set_task_state in the paths of
uart_wait_until_sent, we need not to set_task_state to TASK_RUNNING.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/tty/serial/serial_core.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 848fd13..cda1089 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1427,7 +1427,6 @@ static void __uart_wait_until_sent(struct uart_port *port, int timeout)
 		if (time_after(jiffies, expire))
 			break;
 	}
-	set_current_state(TASK_RUNNING); /* might not be needed */
 }
 
 static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
-- 
1.7.4.2


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