Commit 0d470c72 authored by Dan Carpenter's avatar Dan Carpenter Committed by Miquel Raynal
Browse files

mtd: rawnand: loongson1: Fix error code in ls1x_nand_dma_transfer() 



The "desc" variable is NULL and PTR_ERR(NULL) is zero/success.  Return
a negative error code instead.

Fixes: d2d10ede ("mtd: rawnand: Add Loongson-1 NAND Controller Driver")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent e6031b11

drivers/mtd/nand/raw/loongson1-nand-controller.c

+1 −1
Original line number Diff line number Diff line
@@ -371,7 +371,7 @@ static int ls1x_nand_dma_transfer(struct ls1x_nand_host *host, struct ls1x_nand_ 
	desc = dmaengine_prep_slave_single(chan, dma_addr, op->len, xfer_dir, DMA_PREP_INTERRUPT);

	if (!desc) {

		dev_err(dev, "failed to prepare DMA descriptor\n");

		ret = PTR_ERR(desc);

		ret = -ENOMEM;

		goto err;

	}

	desc->callback = ls1x_nand_dma_callback;