[ide] __ide_do_rw_disk() return value fix

In __ide_do_rw_disk(), ide_started used to be returned blindly
after issusing PIO write.  This can cause hang if
pre_task_out_intr() returns ide_stopped due to failed
ide_wait_stat() test.  Fixed to pass the return value of
pre_task_out_intr().
Signed-off-by: Tejun Heo <tj@home-tj.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-disk.c

@@ -253,8 +253,7 @@ ide_startstop_t __ide_do_rw_disk (ide_drive_t *drive, struct request *rq, sector
 		/* FIXME: ->OUTBSYNC ? */
 		hwif->OUTB(command, IDE_COMMAND_REG);
 
-		pre_task_out_intr(drive, rq);
-		return ide_started;
+		return pre_task_out_intr(drive, rq);
 	}
 }
 EXPORT_SYMBOL_GPL(__ide_do_rw_disk);