diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 61e3a61..8889686 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -1777,13 +1777,13 @@
 	tcp_conn->tx_hash.tfm = crypto_alloc_hash("crc32c", 0,
 						  CRYPTO_ALG_ASYNC);
 	tcp_conn->tx_hash.flags = 0;
-	if (!tcp_conn->tx_hash.tfm)
+	if (IS_ERR(tcp_conn->tx_hash.tfm))
 		goto free_tcp_conn;
 
 	tcp_conn->rx_hash.tfm = crypto_alloc_hash("crc32c", 0,
 						  CRYPTO_ALG_ASYNC);
 	tcp_conn->rx_hash.flags = 0;
-	if (!tcp_conn->rx_hash.tfm)
+	if (IS_ERR(tcp_conn->rx_hash.tfm))
 		goto free_tx_tfm;
 
 	return cls_conn;