sensors plugin: Avoid assertion in ignorelist_match () when not configured.

If the sensors plugin is not configured (i.e. default settings are used) the
ignorelist (sensors_list) is never created causing the assertion in
ignorelist_match () to fail. This fixes it.

Signed-off-by: Sebastian Harl <sh@tokkee.org>

diff --git a/src/sensors.c b/src/sensors.c
index d15569c..66cd5b2 100644 (file)
--- a/src/sensors.c
+++ b/src/sensors.c
@@ -393,7 +393,8 @@ static void sensors_shutdown (void)
        sensors_free_features ();
 #endif /* if SENSORS_HAVE_READ */
 
-       ignorelist_free (sensor_list);
+       if (NULL != sensor_list)
+               ignorelist_free (sensor_list);
 }
 
 static void sensors_voltage_write (char *host, char *inst, char *val)
@@ -402,7 +403,7 @@ static void sensors_voltage_write (char *host, char *inst, char *val)
        int status;
 
        /* skip ignored in our config */
-       if (ignorelist_match (sensor_list, inst))
+       if ((NULL != sensor_list) && ignorelist_match (sensor_list, inst))
                return;
 
        /* extended sensor naming */
@@ -423,7 +424,7 @@ static void sensors_write (char *host, char *inst, char *val)
        int status;
 
        /* skip ignored in our config */
-       if (ignorelist_match (sensor_list, inst))
+       if ((NULL != sensor_list) && ignorelist_match (sensor_list, inst))
                return;
 
        /* extended sensor naming */
@@ -450,7 +451,7 @@ static void sensors_submit (const char *feat_name,
                return;
 
        /* skip ignored in our config */
-       if (ignorelist_match (sensor_list, inst))
+       if ((NULL != sensor_list) && ignorelist_match (sensor_list, inst))
                return;
 
        if (snprintf (buf, BUFSIZE, "%u:%.3f", (unsigned int) curtime,