aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--crypto/pcrypt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 7153a50bce2..794c172b99f 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -82,6 +82,9 @@ static int pcrypt_do_parallel(struct padata_priv *padata, unsigned int *cb_cpu,
if (cpumask_test_cpu(cpu, cpumask->mask))
goto out;
+ if (!cpumask_weight(cpumask->mask))
+ goto out;
+
cpu_index = cpu % cpumask_weight(cpumask->mask);
cpu = cpumask_first(cpumask->mask);