diff --git a/drivers/crypto/mediatek/mtk-platform.c b/drivers/crypto/mediatek/mtk-platform.c
index ee0404e27a0f..03b1436f8709 100644
--- a/drivers/crypto/mediatek/mtk-platform.c
+++ b/drivers/crypto/mediatek/mtk-platform.c
@@ -446,7 +446,7 @@ static void mtk_desc_dma_free(struct mtk_cryp *cryp)
 static int mtk_desc_ring_alloc(struct mtk_cryp *cryp)
 {
 	struct mtk_ring **ring = cryp->ring;
-	int i, err = ENOMEM;
+	int i;
 
 	for (i = 0; i < MTK_RING_MAX; i++) {
 		ring[i] = kzalloc(sizeof(**ring), GFP_KERNEL);
@@ -480,7 +480,7 @@ err_cleanup:
 				  ring[i]->cmd_base, ring[i]->cmd_dma);
 		kfree(ring[i]);
 	}
-	return err;
+	return -ENOMEM;
 }
 
 static int mtk_crypto_probe(struct platform_device *pdev)