diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index 5858cc308979..f3c0cdd31830 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -9,6 +9,7 @@
  ******************************************************************************/
 
 #include <crypto/hash.h>
+#include <crypto/utils.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/err.h>
@@ -408,7 +409,7 @@ static int chap_server_compute_hash(
 	pr_debug("[server] %s Server Digest: %s\n",
 		chap->digest_name, response);
 
-	if (memcmp(server_digest, client_digest, chap->digest_size) != 0) {
+	if (crypto_memneq(server_digest, client_digest, chap->digest_size)) {
 		pr_debug("[server] %s Digests do not match!\n\n",
 			chap->digest_name);
 		goto out;