* [PATCH] spi: tegra20-slink: add missing pm_runtime_put if pm_runtime_get_sync fails
@ 2020-06-02 5:24 Navid Emamdoost
0 siblings, 0 replies; only message in thread
From: Navid Emamdoost @ 2020-06-02 5:24 UTC (permalink / raw)
To: Laxman Dewangan, Mark Brown, Thierry Reding, Jonathan Hunter,
linux-spi, linux-tegra, linux-kernel
Cc: emamd001, wu000273, kjlu, smccaman, Navid Emamdoost
Call to pm_runtime_get_sync increments counter even in case of
failure leading to incorrect ref count.
Call pm_runtime_put if pm_runtime_get_sync fails.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/spi/spi-tegra20-slink.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 7f4d932dade7..9509b7cb14e4 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -756,6 +756,7 @@ static int tegra_slink_setup(struct spi_device *spi)
ret = pm_runtime_get_sync(tspi->dev);
if (ret < 0) {
dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret);
+ pm_runtime_put(tspi->dev);
return ret;
}
--
2.17.1
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