* [PATCH] mtd: rawnand: atmel: use struct_size
@ 2026-06-30 1:23 Rosen Penev
0 siblings, 0 replies; only message in thread
From: Rosen Penev @ 2026-06-30 1:23 UTC (permalink / raw)
To: linux-mtd
Cc: Miquel Raynal, Richard Weinberger, Vignesh Raghavendra,
Nicolas Ferre, Alexandre Belloni, Claudiu Beznea,
moderated list:ARM/Microchip (AT91) SoC support, open list
The comment above makes it clear that this is a single element for
legacy handling. Clarify that with struct_size and avoid manual pointer
math.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
drivers/mtd/nand/raw/atmel/nand-controller.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
index e7fdf532c5fe..8a19408abb63 100644
--- a/drivers/mtd/nand/raw/atmel/nand-controller.c
+++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
@@ -1799,8 +1799,7 @@ atmel_nand_controller_legacy_add_nands(struct atmel_nand_controller *nc)
* Legacy bindings only allow connecting a single NAND with a unique CS
* line to the controller.
*/
- nand = devm_kzalloc(nc->dev, sizeof(*nand) + sizeof(*nand->cs),
- GFP_KERNEL);
+ nand = devm_kzalloc(nc->dev, struct_size(nand, cs, 1), GFP_KERNEL);
if (!nand)
return -ENOMEM;
--
2.54.0
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