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authorDavid Jander2022-06-21 08:12:27 +0200
committerMark Brown2022-06-27 13:27:19 +0100
commit8711a2ab51dd47b2bcb3880403add25dd7fc7c13 (patch)
treefe39a43625e6c705abe7446a34de34514eba4699 /drivers/spi
parentc1038165fbbf83967f29b3bb38872faa780b3a72 (diff)
spi: __spi_pump_messages: Consolidate spin_unlocks to goto target
Signed-off-by: David Jander <david@protonic.nl> Link: https://lore.kernel.org/r/20220621061234.3626638-5-david@protonic.nl Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index cfff2ff96fa0..fa2d091d2854 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1650,10 +1650,8 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
spin_lock_irqsave(&ctlr->queue_lock, flags);
/* Make sure we are not already running a message */
- if (ctlr->cur_msg) {
- spin_unlock_irqrestore(&ctlr->queue_lock, flags);
+ if (ctlr->cur_msg)
goto out_unlock;
- }
/* If another context is idling the device then defer */
if (ctlr->idling) {
@@ -1664,10 +1662,8 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
/* Check if the queue is idle */
if (list_empty(&ctlr->queue) || !ctlr->running) {
- if (!ctlr->busy) {
- spin_unlock_irqrestore(&ctlr->queue_lock, flags);
+ if (!ctlr->busy)
goto out_unlock;
- }
/* Defer any non-atomic teardown to the thread */
if (!in_kthread) {
@@ -1681,7 +1677,6 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
kthread_queue_work(ctlr->kworker,
&ctlr->pump_messages);
}
- spin_unlock_irqrestore(&ctlr->queue_lock, flags);
goto out_unlock;
}
@@ -1703,7 +1698,6 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
spin_lock_irqsave(&ctlr->queue_lock, flags);
ctlr->idling = false;
ctlr->queue_empty = true;
- spin_unlock_irqrestore(&ctlr->queue_lock, flags);
goto out_unlock;
}
@@ -1727,6 +1721,7 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
return;
out_unlock:
+ spin_unlock_irqrestore(&ctlr->queue_lock, flags);
mutex_unlock(&ctlr->io_mutex);
}