From: Wei Yongjun <[email protected]>
Use platform_device_put() instead of platform_device_unregister() if
platform_device_add() fails, and also add the return value check of
platform_device_add_data().
Signed-off-by: Wei Yongjun <[email protected]>
---
drivers/w1/slaves/w1_bq27000.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/w1/slaves/w1_bq27000.c b/drivers/w1/slaves/w1_bq27000.c
index 773dca5..afbefed 100644
--- a/drivers/w1/slaves/w1_bq27000.c
+++ b/drivers/w1/slaves/w1_bq27000.c
@@ -57,6 +57,8 @@ static int w1_bq27000_add_slave(struct w1_slave *sl)
ret = platform_device_add_data(pdev,
&bq27000_battery_info,
sizeof(bq27000_battery_info));
+ if (ret)
+ goto pdev_add_failed;
pdev->dev.parent = &sl->dev;
ret = platform_device_add(pdev);
@@ -68,7 +70,7 @@ static int w1_bq27000_add_slave(struct w1_slave *sl)
goto success;
pdev_add_failed:
- platform_device_unregister(pdev);
+ platform_device_put(pdev);
success:
return ret;
}