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Signed-off-by: Dmitry Torokhov --- drivers/hid/hid-input.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 2633fcd8f910..9b2d7795c621 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -432,23 +432,18 @@ static int hidinput_scale_battery_capacity(struct hid_device *dev, static int hidinput_query_battery_capacity(struct hid_device *dev) { - u8 *buf; int ret; - buf = kmalloc(4, GFP_KERNEL); + u8 *buf __free(kfree) = kmalloc(4, GFP_KERNEL); if (!buf) return -ENOMEM; ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, dev->battery_report_type, HID_REQ_GET_REPORT); - if (ret < 2) { - kfree(buf); + if (ret < 2) return -ENODATA; - } - ret = hidinput_scale_battery_capacity(dev, buf[1]); - kfree(buf); - return ret; + return hidinput_scale_battery_capacity(dev, buf[1]); } static int hidinput_get_battery_property(struct power_supply *psy, @@ -1832,7 +1827,6 @@ static void hidinput_led_worker(struct work_struct *work) struct hid_report *report; int ret; u32 len; - __u8 *buf; field = hidinput_get_led_field(hid); if (!field) @@ -1859,7 +1853,7 @@ static void hidinput_led_worker(struct work_struct *work) /* fall back to generic raw-output-report */ len = hid_report_len(report); - buf = hid_alloc_report_buf(report, GFP_KERNEL); + u8 *buf __free(kfree) = hid_alloc_report_buf(report, GFP_KERNEL); if (!buf) return; @@ -1869,7 +1863,6 @@ static void hidinput_led_worker(struct work_struct *work) if (ret == -ENOSYS) hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); - kfree(buf); } static int hidinput_input_event(struct input_dev *dev, unsigned int type, -- 2.53.0.473.g4a7958ca14-goog -- Dmitry