diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 663aabfeba18..48e98c31a3d6 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -888,7 +888,6 @@ static void blkcg_print_one_stat(struct blkcg_gq *blkg, struct seq_file *s)
 {
 	struct blkg_iostat_set *bis = &blkg->iostat;
 	u64 rbytes, wbytes, rios, wios, dbytes, dios;
-	bool has_stats = false;
 	const char *dname;
 	unsigned seq;
 	int i;
@@ -914,14 +913,12 @@ static void blkcg_print_one_stat(struct blkcg_gq *blkg, struct seq_file *s)
 	} while (u64_stats_fetch_retry(&bis->sync, seq));
 
 	if (rbytes || wbytes || rios || wios) {
-		has_stats = true;
 		seq_printf(s, "rbytes=%llu wbytes=%llu rios=%llu wios=%llu dbytes=%llu dios=%llu",
 			rbytes, wbytes, rios, wios,
 			dbytes, dios);
 	}
 
 	if (blkcg_debug_stats && atomic_read(&blkg->use_delay)) {
-		has_stats = true;
 		seq_printf(s, " use_delay=%d delay_nsec=%llu",
 			atomic_read(&blkg->use_delay),
 			atomic64_read(&blkg->delay_nsec));
@@ -933,12 +930,10 @@ static void blkcg_print_one_stat(struct blkcg_gq *blkg, struct seq_file *s)
 		if (!blkg->pd[i] || !pol->pd_stat_fn)
 			continue;
 
-		if (pol->pd_stat_fn(blkg->pd[i], s))
-			has_stats = true;
+		pol->pd_stat_fn(blkg->pd[i], s);
 	}
 
-	if (has_stats)
-		seq_printf(s, "\n");
+	seq_puts(s, "\n");
 }
 
 static int blkcg_print_stat(struct seq_file *sf, void *v)
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 769b64394298..b4f1b7c1a965 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -2995,13 +2995,13 @@ static void ioc_pd_free(struct blkg_policy_data *pd)
 	kfree(iocg);
 }
 
-static bool ioc_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
+static void ioc_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
 {
 	struct ioc_gq *iocg = pd_to_iocg(pd);
 	struct ioc *ioc = iocg->ioc;
 
 	if (!ioc->enabled)
-		return false;
+		return;
 
 	if (iocg->level == 0) {
 		unsigned vp10k = DIV64_U64_ROUND_CLOSEST(
@@ -3017,7 +3017,6 @@ static bool ioc_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
 			iocg->last_stat.wait_us,
 			iocg->last_stat.indebt_us,
 			iocg->last_stat.indelay_us);
-	return true;
 }
 
 static u64 ioc_weight_prfill(struct seq_file *sf, struct blkg_policy_data *pd,
diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index 6593c7123b97..2a0e0f34a1e1 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -891,7 +891,7 @@ static int iolatency_print_limit(struct seq_file *sf, void *v)
 	return 0;
 }
 
-static bool iolatency_ssd_stat(struct iolatency_grp *iolat, struct seq_file *s)
+static void iolatency_ssd_stat(struct iolatency_grp *iolat, struct seq_file *s)
 {
 	struct latency_stat stat;
 	int cpu;
@@ -914,17 +914,16 @@ static bool iolatency_ssd_stat(struct iolatency_grp *iolat, struct seq_file *s)
 			(unsigned long long)stat.ps.missed,
 			(unsigned long long)stat.ps.total,
 			iolat->rq_depth.max_depth);
-	return true;
 }
 
-static bool iolatency_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
+static void iolatency_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
 {
 	struct iolatency_grp *iolat = pd_to_lat(pd);
 	unsigned long long avg_lat;
 	unsigned long long cur_win;
 
 	if (!blkcg_debug_stats)
-		return false;
+		return;
 
 	if (iolat->ssd)
 		return iolatency_ssd_stat(iolat, s);
@@ -937,7 +936,6 @@ static bool iolatency_pd_stat(struct blkg_policy_data *pd, struct seq_file *s)
 	else
 		seq_printf(s, " depth=%u avg_lat=%llu win=%llu",
 			iolat->rq_depth.max_depth, avg_lat, cur_win);
-	return true;
 }
 
 static struct blkg_policy_data *iolatency_pd_alloc(gfp_t gfp,
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index b4de2010fba5..132e05ed6935 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -152,7 +152,7 @@ typedef void (blkcg_pol_online_pd_fn)(struct blkg_policy_data *pd);
 typedef void (blkcg_pol_offline_pd_fn)(struct blkg_policy_data *pd);
 typedef void (blkcg_pol_free_pd_fn)(struct blkg_policy_data *pd);
 typedef void (blkcg_pol_reset_pd_stats_fn)(struct blkg_policy_data *pd);
-typedef bool (blkcg_pol_stat_pd_fn)(struct blkg_policy_data *pd,
+typedef void (blkcg_pol_stat_pd_fn)(struct blkg_policy_data *pd,
 				struct seq_file *s);
 
 struct blkcg_policy {
