diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-12-08 13:18:05 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-12-28 12:24:45 +0000 |
| commit | 57fc2bbc62ef9d505e8732acbae0d6b5c59836cd (patch) | |
| tree | 056803a589c261838bef6360f121389dd2f69ec4 /sound/soc/sprd | |
| parent | ASoC: rt1015: modify calibration sequence for better performance (diff) | |
| download | wireguard-linux-57fc2bbc62ef9d505e8732acbae0d6b5c59836cd.tar.xz wireguard-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.c | 10 |
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); |