[PATCH] mtd: rawnand: cadence: Fix error check for dma_alloc_coherent() in cadence_nand_init()

Chen Ni nichen at iscas.ac.cn
Sun Feb 8 23:56:18 PST 2026


Fix wrong variable used for error checking after dma_alloc_coherent()
call. The function checks cdns_ctrl->dma_cdma_desc instead of
cdns_ctrl->cdma_desc, which could lead to incorrect error handling.

Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem")
Signed-off-by: Chen Ni <nichen at iscas.ac.cn>
---
 drivers/mtd/nand/raw/cadence-nand-controller.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/cadence-nand-controller.c b/drivers/mtd/nand/raw/cadence-nand-controller.c
index 99135ec23010..d53b35a8b3cb 100644
--- a/drivers/mtd/nand/raw/cadence-nand-controller.c
+++ b/drivers/mtd/nand/raw/cadence-nand-controller.c
@@ -3133,7 +3133,7 @@ static int cadence_nand_init(struct cdns_nand_ctrl *cdns_ctrl)
 						  sizeof(*cdns_ctrl->cdma_desc),
 						  &cdns_ctrl->dma_cdma_desc,
 						  GFP_KERNEL);
-	if (!cdns_ctrl->dma_cdma_desc)
+	if (!cdns_ctrl->cdma_desc)
 		return -ENOMEM;
 
 	cdns_ctrl->buf_size = SZ_16K;
-- 
2.25.1




More information about the linux-mtd mailing list