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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-03-10 14:00:58 +0300
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2024-04-26 22:29:17 +0300
commitc0143f68919e6e36a4fa8816ddb49d266f3b21de (patch)
treec0b63363a945227b1a4886af94af672fca6b7834 /drivers/pwm
parent9e287e0c5fc7b0b926382a6db0f97c3f34a03640 (diff)
downloadlinux-c0143f68919e6e36a4fa8816ddb49d266f3b21de.tar.xz
pwm: sti: Use devm_kcalloc() instead of calculating the size for devm_kzalloc()
Using a multiplication to calculate the size of an allocation isn't recommended in case the mulitplication overflows. While the chance this happens is low, preventing such an error is easy enough; so do that. Link: https://lore.kernel.org/r/17062aef42e6677629a056e25c6916d8b6eaedeb.1710068192.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-sti.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c
index e8fdf96d8cc4..7a7d1c622a17 100644
--- a/drivers/pwm/pwm-sti.c
+++ b/drivers/pwm/pwm-sti.c
@@ -613,7 +613,8 @@ static int sti_pwm_probe(struct platform_device *pdev)
return dev_err_probe(dev, PTR_ERR(pc->cpt_clk),
"failed to get PWM capture clock\n");
- pc->ddata = devm_kzalloc(dev, pc->cpt_num_devs * sizeof(*pc->ddata), GFP_KERNEL);
+ pc->ddata = devm_kcalloc(dev, pc->cpt_num_devs,
+ sizeof(*pc->ddata), GFP_KERNEL);
if (!pc->ddata)
return -ENOMEM;
}