spi: release lock on error path in spi_pump_messages()

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

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[grant.likely: move unlock above dev_err() call]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 7ea06af8636a..eb3587a30df2 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -533,6 +533,7 @@ static void spi_pump_messages(struct kthread_work *work)
                 if (master->busy) {
                         ret = master->unprepare_transfer_hardware(master);
                         if (ret) {
+                                spin_unlock_irqrestore(&master->queue_lock, flags);
                                 dev_err(&master->dev,
                                         "failed to unprepare transfer hardware\n");
                                 return;