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path: root/drivers/hid/hid-a4tech.c
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Diffstat (limited to 'drivers/hid/hid-a4tech.c')
-rw-r--r--drivers/hid/hid-a4tech.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c
index 7c5507e94820..9428ea7cdf8a 100644
--- a/drivers/hid/hid-a4tech.c
+++ b/drivers/hid/hid-a4tech.c
@@ -90,11 +90,10 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct a4tech_sc *a4;
int ret;
- a4 = kzalloc(sizeof(*a4), GFP_KERNEL);
+ a4 = devm_kzalloc(&hdev->dev, sizeof(*a4), GFP_KERNEL);
if (a4 == NULL) {
hid_err(hdev, "can't alloc device descriptor\n");
- ret = -ENOMEM;
- goto err_free;
+ return -ENOMEM;
}
a4->quirks = id->driver_data;
@@ -104,27 +103,16 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
return 0;
-err_free:
- kfree(a4);
- return ret;
-}
-
-static void a4_remove(struct hid_device *hdev)
-{
- struct a4tech_sc *a4 = hid_get_drvdata(hdev);
-
- hid_hw_stop(hdev);
- kfree(a4);
}
static const struct hid_device_id a4_devices[] = {
@@ -144,7 +132,6 @@ static struct hid_driver a4_driver = {
.input_mapped = a4_input_mapped,
.event = a4_event,
.probe = a4_probe,
- .remove = a4_remove,
};
module_hid_driver(a4_driver);