[PATCH] pwm: mediatek: Make use of struct_size macro

[Uwe Kleine-König]

struct_size provides the size of a struct with a flexible array member.
Use that instead of open-coding it (with less checks than the global
macro).

Reported-by: kernel test robot <lkp at intel.com>
Reported-by: Julia Lawall <julia.lawall at inria.fr>
Closes: https://lore.kernel.org/r/202510301753.iqGmTwae-lkp@intel.com/
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at baylibre.com>
---
 drivers/pwm/pwm-mediatek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 4291072a13a7..d09f2eb4fb24 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -377,7 +377,7 @@ static int pwm_mediatek_probe(struct platform_device *pdev)
 	soc = of_device_get_match_data(&pdev->dev);
 
 	chip = devm_pwmchip_alloc(&pdev->dev, soc->num_pwms,
-				  sizeof(*pc) + soc->num_pwms * sizeof(*pc->clk_pwms));
+				  struct_size(pc, clk_pwms, soc->num_pwms));
 	if (IS_ERR(chip))
 		return PTR_ERR(chip);
 	pc = to_pwm_mediatek_chip(chip);

base-commit: 27a8bb33b660614184b9382c146afd2ebfd7d7b7
-- 
2.47.3