HID: hid-lg: Check return values from lg[N]ff_init()

Check return values from lg[N]ff_init(). 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 Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 2671de952e62..3f01da695d5e 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -713,13 +713,16 @@ 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: