tun: remove unnecessary memory barrier

[ Upstream commit ecef67cb10db7b83b3b71c61dbb29aa070ab0112 ]

Replace set_current_state with __set_current_state since no memory
barrier is needed at this point.

Signed-off-by: Timur Celik <mail@timurcelik.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 27ac30d..f329335 100644 (file)
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2140,7 +2140,7 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
                schedule();
        }
 
-       set_current_state(TASK_RUNNING);
+       __set_current_state(TASK_RUNNING);
        remove_wait_queue(&tfile->wq.wait, &wait);
 
 out: