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Subject[PATCH 6/7] TTY: serial_core, remove superfluous set_task_state
Date
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@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
---
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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