criu: fix integer comparisons

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

diff --git a/src/lxc/criu.c b/src/lxc/criu.c
index f93cfa6be108dfd78b2681fc0f508ed23323755c..ea21640e508ae7bc549b34430cd632af907dc4a8 100644 (file)
--- a/src/lxc/criu.c
+++ b/src/lxc/criu.c
@@ -337,7 +337,7 @@ static int exec_criu(struct cgroup_ops *cgroup_ops, struct lxc_conf *conf,
                        WARN("No cgroup controllers configured in container's cgroup %s", cgroup_base_path);
                        ret = sprintf(buf, "%s", cgroup_base_path);
                }
-               if (ret < 0 || ret >= sizeof(buf))
+               if (ret < 0 || (size_t)ret >= sizeof(buf))
                        return log_error_errno(-EIO, EIO, "sprintf of cgroup root arg failed");
 
                DECLARE_ARG("--cgroup-root");
@@ -445,7 +445,7 @@ static int exec_criu(struct cgroup_ops *cgroup_ops, struct lxc_conf *conf,
                        char ghost_limit[32];
 
                        ret = sprintf(ghost_limit, "%"PRIu64, opts->user->ghost_limit);
-                       if (ret < 0 || ret >= sizeof(ghost_limit))
+                       if (ret < 0 || (size_t)ret >= sizeof(ghost_limit))
                                return log_error_errno(-EIO, EIO, "Failed to print ghost limit %"PRIu64, opts->user->ghost_limit);
 
                        DECLARE_ARG("--ghost-limit");