drivers/char: use __set_current_state()

use __set_current_state(TASK_*) instead of current->state = TASK_*,

Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 0e2b72f..4eaceab 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1574,7 +1574,7 @@
 		if (timeout && time_after(jiffies, orig_jiffies + timeout))
 			break;
 	}
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
 	printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies);
 #endif
@@ -1700,7 +1700,7 @@
 #endif
 		schedule();
 	}
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(&info->open_wait, &wait);
 	if (extra_count)
 		state->count++;