From: Thomas Fourier Date: Wed, 2 Jul 2025 06:45:11 +0000 (+0200) Subject: mtd: rawnand: atmel: Fix dma_mapping_error() address X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1e6b933c56b1e9fda93caa0b8bae39f3f421e5c;p=thirdparty%2Flinux.git mtd: rawnand: atmel: Fix dma_mapping_error() address 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 Rule: add Link: https://lore.kernel.org/stable/20250702064515.18145-2-fourier.thomas%40gmail.com Signed-off-by: Miquel Raynal --- diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index dedcca87defc7..84ab4a83cbd68 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;