lxccontainer: ensure second parameter to bsearch is never NULL

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

diff --git a/src/lxc/lxccontainer.c b/src/lxc/lxccontainer.c
index 5d43815c71ab9a4192987447be444cd241293664..ec54a96eb03061fc8698e3d1f901acb79cdf9bd0 100644 (file)
--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -2315,6 +2315,9 @@ static bool add_to_clist(struct lxc_container ***list, struct lxc_container *c,
 
 static char** get_from_array(char ***names, char *cname, int size)
 {
+       if (!*names)
+               return NULL;
+
        return (char **)bsearch(&cname, *names, size, sizeof(char *), (int (*)(const void *, const void *))string_cmp);
 }