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Commit 0e1614ac authored by Johan Hovold's avatar Johan Hovold Committed by Thierry Reding
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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: 0733424c ("pwm: Unexport children before chip removal")
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent c6999956

drivers/pwm/sysfs.c

+2 −0
Original line number Diff line number Diff line
@@ -425,6 +425,8 @@ void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) 
		if (test_bit(PWMF_EXPORTED, &pwm->flags))

			pwm_unexport_child(parent, pwm);

	}



	put_device(parent);

}



static int __init pwm_sysfs_init(void)