spi: Remove a redundant test for master->running in spi_queued_transfer

We have tested master->running immediately after grab the master->queue_lock.
The status of master->running won't be changed until we release the lock.
Thus remove a redundant test for master->running.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 978dda2..b1db83f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -774,7 +774,7 @@
 	msg->status = -EINPROGRESS;
 
 	list_add_tail(&msg->queue, &master->queue);
-	if (master->running && !master->busy)
+	if (!master->busy)
 		queue_kthread_work(&master->kworker, &master->pump_messages);
 
 	spin_unlock_irqrestore(&master->queue_lock, flags);