It seems like what was intended is to test if the dma_map of the previous line failed but the wrong dma address was passed.
Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver") Signed-off-by: Thomas Fourier fourier.thomas@gmail.com --- v1 -> v2: - Add stable@vger.kernel.org - Fix subject prefix
drivers/mtd/nand/raw/atmel/nand-controller.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index dedcca87defc..84ab4a83cbd6 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -373,7 +373,7 @@ static int atmel_nand_dma_transfer(struct atmel_nand_controller *nc, dma_cookie_t cookie;
buf_dma = dma_map_single(nc->dev, buf, len, dir); - if (dma_mapping_error(nc->dev, dev_dma)) { + if (dma_mapping_error(nc->dev, buf_dma)) { dev_err(nc->dev, "Failed to prepare a buffer for DMA access\n"); goto err;