1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c0accc00566e..5c86687d22b3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4642,6 +4642,9 @@ int cpuset_cpumask_can_shrink(const struct cpumask *cur,
         struct dl_bw *cur_dl_b;
         unsigned long flags;
 
+        if (!cpumask_weight(cur))
+                return ret;
+
         rcu_read_lock_sched();
         cur_dl_b = dl_bw_of(cpumask_any(cur));
         trial_cpus = cpumask_weight(trial);