From 01ab35f14aafbc6e159254f52444895661c2f604 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Wed, 11 Sep 2013 22:12:23 +0200 Subject: [PATCH] HID: lenovo-tpkbd: devm conversion We can use the devres API in hid modules, so use it to avoid some kfree and potential leaks. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- drivers/hid/hid-lenovo-tpkbd.c | 30 ++++++++---------------------- 1 file changed, 8 insertions(+), 22 deletions(-) diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c index 31cf29a6ba17..0d9a276af16a 100644 --- a/drivers/hid/hid-lenovo-tpkbd.c +++ b/drivers/hid/hid-lenovo-tpkbd.c @@ -339,7 +339,7 @@ static int tpkbd_probe_tp(struct hid_device *hdev) struct tpkbd_data_pointer *data_pointer; size_t name_sz = strlen(dev_name(dev)) + 16; char *name_mute, *name_micmute; - int i, ret; + int i; /* Validate required reports. */ for (i = 0; i < 4; i++) { @@ -354,7 +354,9 @@ static int tpkbd_probe_tp(struct hid_device *hdev) hid_warn(hdev, "Could not create sysfs group\n"); } - data_pointer = kzalloc(sizeof(struct tpkbd_data_pointer), GFP_KERNEL); + data_pointer = devm_kzalloc(&hdev->dev, + sizeof(struct tpkbd_data_pointer), + GFP_KERNEL); if (data_pointer == NULL) { hid_err(hdev, "Could not allocate memory for driver data\n"); return -ENOMEM; @@ -364,20 +366,13 @@ static int tpkbd_probe_tp(struct hid_device *hdev) data_pointer->sensitivity = 0xa0; data_pointer->press_speed = 0x38; - name_mute = kzalloc(name_sz, GFP_KERNEL); - if (name_mute == NULL) { + name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + if (name_mute == NULL || name_micmute == NULL) { hid_err(hdev, "Could not allocate memory for led data\n"); - ret = -ENOMEM; - goto err; + return -ENOMEM; } snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev)); - - name_micmute = kzalloc(name_sz, GFP_KERNEL); - if (name_micmute == NULL) { - hid_err(hdev, "Could not allocate memory for led data\n"); - ret = -ENOMEM; - goto err2; - } snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev)); hid_set_drvdata(hdev, data_pointer); @@ -397,12 +392,6 @@ static int tpkbd_probe_tp(struct hid_device *hdev) tpkbd_features_set(hdev); return 0; - -err2: - kfree(name_mute); -err: - kfree(data_pointer); - return ret; } static int tpkbd_probe(struct hid_device *hdev, @@ -449,9 +438,6 @@ static void tpkbd_remove_tp(struct hid_device *hdev) led_classdev_unregister(&data_pointer->led_mute); hid_set_drvdata(hdev, NULL); - kfree(data_pointer->led_micmute.name); - kfree(data_pointer->led_mute.name); - kfree(data_pointer); } static void tpkbd_remove(struct hid_device *hdev) -- 2.39.5