[PATCH AUTOSEL 4.19 011/206] media: smiapp: Fix error handling at NVM reading

From: Sasha Levin
Date: Thu Sep 17 2020 - 22:08:30 EST


From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

[ Upstream commit a5b1d5413534607b05fb34470ff62bf395f5c8d0 ]

If NVM reading failed, the device was left powered on. Fix that.

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/i2c/smiapp/smiapp-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 4731e1c72f960..0a434bdce3b3b 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2337,11 +2337,12 @@ smiapp_sysfs_nvm_read(struct device *dev, struct device_attribute *attr,
if (rval < 0) {
if (rval != -EBUSY && rval != -EAGAIN)
pm_runtime_set_active(&client->dev);
- pm_runtime_put(&client->dev);
+ pm_runtime_put_noidle(&client->dev);
return -ENODEV;
}

if (smiapp_read_nvm(sensor, sensor->nvm)) {
+ pm_runtime_put(&client->dev);
dev_err(&client->dev, "nvm read failed\n");
return -ENODEV;
}
--
2.25.1