leds: lp5860: Fix a potential double-unlock

In lp5860_device_init(), if lp5860_init_dt() fails, an already unlocked
mutex is unlocked another time.

Slightly rework how the lock is taken/released to avoid this potential
double unlock.

Fixes: f0a66563aa ("leds: Add support for TI LP5860 LED driver chip")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/0f4d556e0532bfa881d7d83c1e244572117a89e3.1781970674.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Christophe JAILLET 2026-06-20 17:51:53 +02:00 committed by Lee Jones
parent 7ddc04d1bd
commit 10a5a70c02

View File

@ -204,9 +204,9 @@ int lp5860_device_init(struct device *dev)
mutex_lock(&lp->lock);
ret = regmap_update_bits(lp->regmap, LP5860_REG_DEV_INITIAL, LP5860_MODE_MASK,
LP5860_MODE_1 << LP5860_MODE_SHIFT);
mutex_unlock(&lp->lock);
if (ret)
goto err_disable;
mutex_unlock(&lp->lock);
ret = lp5860_init_dt(lp);
if (ret)
@ -215,7 +215,6 @@ int lp5860_device_init(struct device *dev)
return 0;
err_disable:
mutex_unlock(&lp->lock);
lp5860_chip_enable(lp, LP5860_CHIP_DISABLE);
return ret;
}