From: Navid Emamdoost Date: Mon, 15 Jun 2020 05:49:28 +0000 (-0500) Subject: drm/exynos: fix ref count leak in mic_pre_enable X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d4f5a095daf0d25f0b385e1ef26338608433a4c5;p=linux.git drm/exynos: fix ref count leak in mic_pre_enable 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 Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c index a86abc173605e..3821ea76a7039 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);