[PATCH 06/12] HID: hid-lg: Check return values from lg[N]ff_init()

From: Michal MalÃ
Date: Sat Mar 21 2015 - 07:50:53 EST


hid-lg did not check return values from the lg[N]_init() functions,
possibly trying to work with a device whose initialization has failed.

Signed-off-by: Michal Malà <madcatxster@xxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-lg.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index b86c18e..c797781 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -712,13 +712,16 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
}

if (drv_data->quirks & LG_FF)
- lgff_init(hdev);
+ ret = lgff_init(hdev);
if (drv_data->quirks & LG_FF2)
- lg2ff_init(hdev);
+ ret = lg2ff_init(hdev);
if (drv_data->quirks & LG_FF3)
- lg3ff_init(hdev);
+ ret = lg3ff_init(hdev);
if (drv_data->quirks & LG_FF4)
- lg4ff_init(hdev);
+ ret = lg4ff_init(hdev);
+
+ if (ret)
+ goto err_free;

return 0;
err_free:
--
2.3.3

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