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spi: tegra20-sflash: fix reference leak in tegra_sflash_resume 

[ Upstream commit 3482e797ab ]

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

Fixes: 8528547bcc ("spi: tegra: add spi driver for sflash controller")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201103141323.5841-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Zhang Qilong 2020-11-03 22:13:23 +08:00 committed by Greg Kroah-Hartman
parent f9e5e84eb4
commit 47595d68ce
1 changed files with 1 additions and 0 deletions
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drivers/spi/spi-tegra20-sflash.c
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@ -551,6 +551,7 @@ static int tegra_sflash_resume(struct device *dev)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
pm_runtime_put_noidle(dev);
dev_err(dev, "pm runtime failed, e = %d\n", ret);
return ret;
}