From: Zqiang <qiang.zhang@xxxxxxxxxxxxx>
When the usb device disconnect, usbhid_stop function be called,
if ctrl or out's raw_report exists, need to be free.
Signed-off-by: Zqiang <qiang.zhang@xxxxxxxxxxxxx>
---
drivers/hid/usbhid/hid-core.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 17a29ee0ac6c..f8a49f8d4015 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1209,6 +1209,7 @@ static int usbhid_start(struct hid_device *hid)
static void usbhid_stop(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
+ int index;
if (WARN_ON(!usbhid))
return;
@@ -1232,6 +1233,13 @@ static void usbhid_stop(struct hid_device *hid)
hid->claimed = 0;
+ for (index = 0; index < HID_CONTROL_FIFO_SIZE; index++) {
+ if (usbhid->ctrl[index].raw_report)
+ kfree(usbhid->ctrl[index].raw_report);
+ if (usbhid->out[index].raw_report)
+ kfree(usbhid->out[index].raw_report);
+ }
+
usb_free_urb(usbhid->urbin);
usb_free_urb(usbhid->urbctrl);
usb_free_urb(usbhid->urbout);
--
2.17.1
