ASoC: core: Replace sprintf() with sysfs_emit()

For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co.  This patch replaces the sprintf()
usage straightforwardly with a new helper, sysfs_emit().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20220801170108.26340-7-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e824ff1..e020ab4 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -72,7 +72,7 @@ static ssize_t pmdown_time_show(struct device *dev,
 {
        struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
 
-       return sprintf(buf, "%ld\n", rtd->pmdown_time);
+       return sysfs_emit(buf, "%ld\n", rtd->pmdown_time);
 }
 
 static ssize_t pmdown_time_store(struct device *dev,