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authorVladimir Zapolskiy2015-06-14 17:32:14 +0300
committerLee Jones2016-01-11 10:45:24 +0000
commit60d613d6aef4ae49988eeb3ad38af948c561db1e (patch)
tree83a079993be7b6f9ddc195afade1d9eae3153036 /drivers/video
parent02f22c004ff2ab0ce1f2fa3cc6a87cf20a4fed40 (diff)
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: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/pwm_bl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index a22c1ec29de7..64f9e1b8655f 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;
}