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Commit 60d613d6 authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Lee Jones
Browse files

backlight: pwm_bl: Free PWM requested by legacy API on error path 



If pwm is requested by legacy pwm_request() and if the following
backlight_device_register() call fails, add pwm_free() clean-up.

Signed-off-by: default avatarVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 02f22c00

drivers/video/backlight/pwm_bl.c

+2 −0
Original line number Diff line number Diff line
@@ -328,6 +328,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) 
	if (IS_ERR(bl)) {

		dev_err(&pdev->dev, "failed to register backlight\n");

		ret = PTR_ERR(bl);

		if (pb->legacy)

			pwm_free(pb->pwm);

		goto err_alloc;

	}