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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-12-08 12:18:05 +0100
committerMark Brown <broonie@kernel.org>2020-12-28 13:24:45 +0100
commit57fc2bbc62ef9d505e8732acbae0d6b5c59836cd (patch)
tree056803a589c261838bef6360f121389dd2f69ec4 /sound/soc/sprd
parentASoC: rt1015: modify calibration sequence for better performance (diff)
downloadlinux-57fc2bbc62ef9d505e8732acbae0d6b5c59836cd.tar.xz
linux-57fc2bbc62ef9d505e8732acbae0d6b5c59836cd.zip
ASoC: sprd: Switch to use list_entry_is_head() helper
Since we got list_entry_is_head() helper in the generic header, we may switch driver to use it. This eliminates the need in additional variable. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20201208111805.6989-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sprd')
-rw-r--r--sound/soc/sprd/sprd-mcdt.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/soc/sprd/sprd-mcdt.c b/sound/soc/sprd/sprd-mcdt.c
index f439e5503a3c..34b2ce733b54 100644
--- a/sound/soc/sprd/sprd-mcdt.c
+++ b/sound/soc/sprd/sprd-mcdt.c
@@ -866,23 +866,23 @@ EXPORT_SYMBOL_GPL(sprd_mcdt_chan_dma_disable);
struct sprd_mcdt_chan *sprd_mcdt_request_chan(u8 channel,
enum sprd_mcdt_channel_type type)
{
- struct sprd_mcdt_chan *temp, *chan = NULL;
+ struct sprd_mcdt_chan *temp;
mutex_lock(&sprd_mcdt_list_mutex);
list_for_each_entry(temp, &sprd_mcdt_chan_list, list) {
if (temp->type == type && temp->id == channel) {
- chan = temp;
+ list_del_init(&temp->list);
break;
}
}
- if (chan)
- list_del(&chan->list);
+ if (list_entry_is_head(temp, &sprd_mcdt_chan_list, list))
+ temp = NULL;
mutex_unlock(&sprd_mcdt_list_mutex);
- return chan;
+ return temp;
}
EXPORT_SYMBOL_GPL(sprd_mcdt_request_chan);