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: d2d10ede04 ("mtd: rawnand: Add Loongson-1 NAND Controller Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Dan Carpenter 2025-05-02 11:39:29 +03:00 committed by Miquel Raynal
parent e6031b1154
commit 0d470c72be

View File

@ -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;