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pwm: Fix device reference leak
Make sure to drop the reference to the parent device taken by
class_find_device() after "unexporting" any children when deregistering
a PWM chip.
Fixes: 0733424c9b
("pwm: Unexport children before chip removal")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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@ -425,6 +425,8 @@ void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
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if (test_bit(PWMF_EXPORTED, &pwm->flags))
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pwm_unexport_child(parent, pwm);
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}
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put_device(parent);
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}
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static int __init pwm_sysfs_init(void)
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