The str variable should be always initialized before use even if
the switch covers all cases. This is a minimalistic fix: Assign NULL,
the sprintf() may print '(null)' if something is corrupted.
Signed-off-by: Jaroslav Kysela <perex@xxxxxxxx>
---
sound/core/control_led.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index 861f71f2fab5..764058cc345d 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -397,7 +397,7 @@ static ssize_t mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_ctl_led *led = container_of(dev, struct snd_ctl_led, dev);
- const char *str;
+ const char *str = NULL;
switch (led->mode) {
case MODE_FOLLOW_MUTE: str = "follow-mute"; break;
--
2.30.2
