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Message-ID: <20201127094525.121388-1-miaoqinglang@huawei.com>
Date: Fri, 27 Nov 2020 17:45:22 +0800
From: Qinglang Miao <miaoqinglang@...wei.com>
To: Vinod Koul <vkoul@...nel.org>,
Dan Williams <dan.j.williams@...el.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...com>
CC: <dmaengine@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH 0/3] dmaengine: stm32: fix reference leak
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to putting operation will result in a
reference leak here.
Use pm_runtime_resume_and_get to fix it.
Qinglang Miao (3):
dmaengine: stm32-dma: fix reference leak in stm32_dma
dmaengine: stm32-dmamux: fix reference leak in stm32_dmamux
dmaengine: stm32-mdma: fix reference leak in stm32-mdma
drivers/dma/stm32-dma.c | 4 ++--
drivers/dma/stm32-dmamux.c | 6 +++---
drivers/dma/stm32-mdma.c | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)
--
2.23.0
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