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spi: sprd: fix reference leak in sprd_spi_remove 

pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in sprd_spi_remove, so we should fix it.

Fixes: e7d973a31c ("spi: sprd: Add SPI driver for Spreadtrum SC9860")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Acked-by: Chunyan Zhang <zhang.lyra@gmail.com>
Link: https://lore.kernel.org/r/20201106015035.139574-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
zero-sugar-mainline-defconfig
Zhang Qilong 2020-11-06 09:50:35 +08:00 committed by Mark Brown
parent 1dcbdd9448
commit e4062765bc
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drivers/spi/spi-sprd.c
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@ -1010,6 +1010,7 @@ static int sprd_spi_remove(struct platform_device *pdev)
ret = pm_runtime_get_sync(ss->dev);
if (ret < 0) {
pm_runtime_put_noidle(ss->dev);
dev_err(ss->dev, "failed to resume SPI controller\n");
return ret;
}