[PATCH] spi: tegra20-slink: add missing pm_runtime_put

From: Navid Emamdoost
Date: Tue Jun 02 2020 - 01:26:13 EST


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@xxxxxxxxx>
---
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..0675b36d647b 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1192,6 +1192,7 @@ static int tegra_slink_resume(struct device *dev)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "pm runtime failed, e = %d\n", ret);
+ pm_runtime_put(dev);
return ret;
}
tegra_slink_writel(tspi, tspi->command_reg, SLINK_COMMAND);
--
2.17.1