zhangqilong d18fb19c1c dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources ... [ Upstream commit 545b2baac8 ] pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it: 1) Replacing it with pm_runtime_resume_and_get to keep usage counter balanced. 2) Add putting operation before returning error. Fixes:9135408c3ace4 ("dmaengine: mediatek: Add MediaTek UART APDMA support") Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Link: https://lore.kernel.org/r/20220319022142.142709-1-zhangqilong3@huawei.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-04-27 14:38:52 +02:00
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mtk-uart-apdma.c	dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources	2022-04-27 14:38:52 +02:00