in mic_pre_enable, pm_runtime_get_sync is called which increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning.
Signed-off-by: Navid Emamdoost navid.emamdoost@gmail.com --- Changes in v2: - reuse the unlock label and call pm_runtime_put_noidle --- --- drivers/gpu/drm/exynos/exynos_drm_mic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c index a86abc173605..3821ea76a703 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c @@ -269,8 +269,10 @@ static void mic_pre_enable(struct drm_bridge *bridge) goto unlock;
ret = pm_runtime_get_sync(mic->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(mic->dev); goto unlock; + }
mic_set_path(mic, 1);