未验证 提交 cec77e0a 编写于 作者: W Wang Li 提交者: Mark Brown

spi: qup: fix PM reference leak in spi_qup_remove()

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NWang Li <wangli74@huawei.com>
Reviewed-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210409095458.29921-1-wangli74@huawei.comSigned-off-by: NMark Brown <broonie@kernel.org>
上级 e9800482
...@@ -1263,7 +1263,7 @@ static int spi_qup_remove(struct platform_device *pdev) ...@@ -1263,7 +1263,7 @@ static int spi_qup_remove(struct platform_device *pdev)
struct spi_qup *controller = spi_master_get_devdata(master); struct spi_qup *controller = spi_master_get_devdata(master);
int ret; int ret;
ret = pm_runtime_get_sync(&pdev->dev); ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0) if (ret < 0)
return ret; return ret;
......
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