From: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] spi: core: Use list_first_entry_or_null() instead of open-coded
Date: Thu, 02 Jan 2014 15:16:40 +0800 [thread overview]
Message-ID: <1388647000.28565.1.camel@phoenix> (raw)
Use list_first_entry_or_null() to save a few lines.
Signed-off-by: Axel Lin <axel.lin-8E1dMatC8ynQT0dZR+AlfA@public.gmane.org>
---
drivers/spi/spi.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 98f4b77..a1a7f78 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -791,11 +791,8 @@ struct spi_message *spi_get_next_queued_message(struct spi_master *master)
/* get a pointer to the next message, if any */
spin_lock_irqsave(&master->queue_lock, flags);
- if (list_empty(&master->queue))
- next = NULL;
- else
- next = list_entry(master->queue.next,
- struct spi_message, queue);
+ next = list_first_entry_or_null(&master->queue, struct spi_message,
+ queue);
spin_unlock_irqrestore(&master->queue_lock, flags);
return next;
--
1.8.1.2
--
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next reply other threads:[~2014-01-02 7:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-02 7:16 Axel Lin [this message]
2014-01-02 11:57 ` [PATCH] spi: core: Use list_first_entry_or_null() instead of open-coded Mark Brown
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