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 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html