confile: add clearer for lxc.devttydir

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 275a3aa0222ed75a018e592f53e0f56dd873d1cd..801a6b3d89ce5c41cf29c8035740fb5d16c79743 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -77,6 +77,7 @@ static int clr_config_tty(const char *, struct lxc_conf *);
 
 static int set_config_ttydir(const char *, const char *, struct lxc_conf *);
 static int get_config_ttydir(const char *, char *, int, struct lxc_conf *);
+static int clr_config_ttydir(const char *, struct lxc_conf *);
 
 static int set_config_kmsg(const char *, const char *, struct lxc_conf *);
 static int get_config_kmsg(const char *, char *, int, struct lxc_conf *);
@@ -219,7 +220,7 @@ 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,               clr_config_pts, },
        { "lxc.tty",                  set_config_tty,                  get_config_tty,               clr_config_tty, },
-       { "lxc.devttydir",            set_config_ttydir,               get_config_ttydir,            NULL },
+       { "lxc.devttydir",            set_config_ttydir,               get_config_ttydir,            clr_config_ttydir, },
        { "lxc.kmsg",                 set_config_kmsg,                 get_config_kmsg,              NULL },
        { "lxc.aa_profile",           set_config_lsm_aa_profile,       get_config_lsm_aa_profile,    NULL },
        { "lxc.aa_allow_incomplete",  set_config_lsm_aa_incomplete,    get_config_lsm_aa_incomplete, NULL },
@@ -2803,10 +2804,6 @@ int lxc_clear_config_item(struct lxc_conf *c, const char *key)
                free(c->console.path);
                c->console.path = NULL;
 
-       } else if (strcmp(key, "lxc.devttydir") == 0) {
-               free(c->ttydir);
-               c->ttydir = NULL;
-
        } else if (strcmp(key, "lxc.autodev") == 0) {
                c->autodev = 1;
 
@@ -4092,3 +4089,10 @@ static inline int clr_config_tty(const char *key, struct lxc_conf *c)
        c->tty = 0;
        return 0;
 }
+
+static inline int clr_config_ttydir(const char *key, struct lxc_conf *c)
+{
+       free(c->ttydir);
+       c->ttydir = NULL;
+       return 0;
+}