Add return check for 'lxc_cmd_get_name'

If 'lxc_cmd_get_name' failed and return with NULL, this would cause a segment fault.

Signed-off-by: LiFeng <lifeng68@huawei.com>

diff --git a/src/lxc/lxccontainer.c b/src/lxc/lxccontainer.c
index 4a15982cbacdacb0ce3f0328a79f05d7cfca6f34..2a4bb51f34466a42bd8b5c0c18a1201d6ce71f62 100644 (file)
--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -4913,6 +4913,8 @@ int list_active_containers(const char *lxcpath, char ***nret,
                        if (strncmp(lxcpath, recvpath, lxcpath_len) != 0)
                                continue;
                        p = lxc_cmd_get_name(p);
+                       if (!p)
+                               continue;
                }
 
                if (array_contains(&ct_name, p, ct_name_cnt))