[patch] spi: release lock on error path in spi_pump_messages()

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

We should release the lock here and enable IRQs before returning.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 5ae1e84..ab1bdce 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -535,6 +535,7 @@ static void spi_pump_messages(struct kthread_work *work)
 			if (ret) {
 				dev_err(&master->dev,
 					"failed to unprepare transfer hardware\n");
+				spin_unlock_irqrestore(&master->queue_lock, flags);
 				return;
 			}
 		}
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