From: Vladimir Zapolskiy <vladimir_zapols...@mentor.com>
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: Vladimir Zapolskiy <vladimir_zapols...@mentor.com>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
(cherry picked from commit 60d613d6aef4ae49988eeb3ad38af948c561db1e)
Signed-off-by: California Sullivan <california.l.sulli...@intel.com>
---
drivers/video/backlight/pwm_bl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index a22c1ec..64f9e1b 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -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;
}
--
2.5.5
--
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