From 8711a2ab51dd47b2bcb3880403add25dd7fc7c13 Mon Sep 17 00:00:00 2001 From: David Jander Date: Tue, 21 Jun 2022 08:12:27 +0200 Subject: [PATCH] spi: __spi_pump_messages: Consolidate spin_unlocks to goto target Signed-off-by: David Jander Link: https://lore.kernel.org/r/20220621061234.3626638-5-david@protonic.nl Signed-off-by: Mark Brown --- drivers/spi/spi.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index cfff2ff..fa2d091 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); } -- 2.7.4