diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc32xx_mlc.c
index 92cebe871bb45515739c87313f98331768297fdd..b9c3adc54c010266fc39ffed8898d7a1e8d5d0ed 100644
--- a/drivers/mtd/nand/raw/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c
@@ -575,7 +575,7 @@ static int lpc32xx_dma_setup(struct lpc32xx_nand_host *host)
 	dma_cap_mask_t mask;
 
 	host->dma_chan = dma_request_chan(mtd->dev.parent, "rx-tx");
-	if (!host->dma_chan) {
+	if (IS_ERR(host->dma_chan)) {
 		/* fallback to request using platform data */
 		if (!host->pdata || !host->pdata->dma_filter) {
 			dev_err(mtd->dev.parent, "no DMA platform data\n");
diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c
index 3b7e3d259785a83dae82ed8265a47366116b5589..ade971e4cc3b2990e248e2dde4cd59f39b01afad 100644
--- a/drivers/mtd/nand/raw/lpc32xx_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_slc.c
@@ -722,7 +722,7 @@ static int lpc32xx_nand_dma_setup(struct lpc32xx_nand_host *host)
 	dma_cap_mask_t mask;
 
 	host->dma_chan = dma_request_chan(mtd->dev.parent, "rx-tx");
-	if (!host->dma_chan) {
+	if (IS_ERR(host->dma_chan)) {
 		/* fallback to request using platform data */
 		if (!host->pdata || !host->pdata->dma_filter) {
 			dev_err(mtd->dev.parent, "no DMA platform data\n");