diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index dfd3baf0a8d8..aa65c1791ce7 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -908,6 +908,8 @@ static int save_iaa_wq(struct idxd_wq *wq)
 		return -EINVAL;
 
 	cpus_per_iaa = (nr_nodes * nr_cpus_per_node) / nr_iaa;
+	if (!cpus_per_iaa)
+		cpus_per_iaa = 1;
 out:
 	return 0;
 }
@@ -923,10 +925,12 @@ static void remove_iaa_wq(struct idxd_wq *wq)
 		}
 	}
 
-	if (nr_iaa)
+	if (nr_iaa) {
 		cpus_per_iaa = (nr_nodes * nr_cpus_per_node) / nr_iaa;
-	else
-		cpus_per_iaa = 0;
+		if (!cpus_per_iaa)
+			cpus_per_iaa = 1;
+	} else
+		cpus_per_iaa = 1;
 }
 
 static int wq_table_add_wqs(int iaa, int cpu)