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spi: core: Use list_first_entry_or_null() instead of open-coded 

Use list_first_entry_or_null() to save a few lines.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Axel Lin 2014-01-02 15:16:40 +08:00 committed by Mark Brown
parent 368ca4e0c7
commit 1cfd97f93e
1 changed files with 2 additions and 5 deletions
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7
drivers/spi/spi.c
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@ -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;