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

From: ALOK TIWARI

Date: Wed Feb 25 2026 - 05:34:51 EST




On 2/9/2026 1:26 PM, Chen Ni wrote:
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@xxxxxxxxxxx>
---
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;

LGTM,

Reviewed-by: Alok Tiwari <alok.a.tiwari@xxxxxxxxxx>

Thanks,
Alok