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authorZhang Qilong <zhangqilong3@huawei.com>2020-11-06 09:24:21 +0800
committerMark Brown <broonie@kernel.org>2020-11-18 18:00:26 +0000
commit03fc41afaa6549baa2dab7a84e1afaf5cadb5b18 (patch)
tree5902e3a4240f33e06ae5fe3c6b4853dda0423bf1
parent6e3dbfcb3c8a1ef8cc73a8637f778673f5c6e91c (diff)
downloadlinux-03fc41afaa6549baa2dab7a84e1afaf5cadb5b18.tar.gz
spi: mxs: fix reference leak in mxs_spi_probe
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in mxs_spi_probe, so we should fix it.

Fixes: b7969caf41a1d ("spi: mxs: implement runtime pm")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201106012421.95420-1-zhangqilong3@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--drivers/spi/spi-mxs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 918918a9e049..435309b09227 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -607,6 +607,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
 
 	ret = pm_runtime_get_sync(ssp->dev);
 	if (ret < 0) {
+		pm_runtime_put_noidle(ssp->dev);
 		dev_err(ssp->dev, "runtime_get_sync failed\n");
 		goto out_pm_runtime_disable;
 	}