confile: add clearer for lxc.pts

src/lxc/confile.c

@@ -69,6 +69,7 @@ static int clr_config_personality(const char *, struct lxc_conf *);
 
 static int set_config_pts(const char *, const char *, struct lxc_conf *);
 static int get_config_pts(const char *, char *, int, struct lxc_conf *);
+static int clr_config_pts(const char *, struct lxc_conf *);
 
 static int set_config_tty(const char *, const char *, struct lxc_conf *);
 static int get_config_tty(const char *, char *, int, struct lxc_conf *);
@@ -215,7 +216,7 @@ static int get_config_limit(const char *, char *, int, struct lxc_conf *);
 
 static struct lxc_config_t config[] = {
 	{ "lxc.arch",                 set_config_personality,          get_config_personality,       clr_config_personality, },
-	{ "lxc.pts",                  set_config_pts,                  get_config_pts,               NULL },
+	{ "lxc.pts",                  set_config_pts,                  get_config_pts,               clr_config_pts, },
 	{ "lxc.tty",                  set_config_tty,                  get_config_tty,               NULL },
 	{ "lxc.devttydir",            set_config_ttydir,               get_config_ttydir,            NULL },
 	{ "lxc.kmsg",                 set_config_kmsg,                 get_config_kmsg,              NULL },
@@ -2859,9 +2860,6 @@ int lxc_clear_config_item(struct lxc_conf *c, const char *key)
 	} else if (strcmp(key, "lxc.monitor.unshare") == 0) {
 		c->monitor_unshare = 0;
 
-	} else if (strcmp(key, "lxc.pts") == 0) {
-		c->pts = 0;
-
 	} else if (strcmp(key, "lxc.include") == 0) {
 		lxc_clear_includes(c);
 
@@ -4084,3 +4082,9 @@ static inline int clr_config_personality(const char *key, struct lxc_conf *c)
 	c->personality = -1;
 	return 0;
 }
+
+static inline int clr_config_pts(const char *key, struct lxc_conf *c)
+{
+	c->pts = 0;
+	return 0;
+}