drm/exynos: fix ref count leak in mic_pre_enable
[ Upstream commit d4f5a095 ] 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> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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