diff options
| author | Bernard Xiong <[email protected]> | 2018-01-18 06:38:24 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-01-18 06:38:24 +0800 |
| commit | 0d7a74cc3d8db508d14faeb5152a03c4b75f3849 (patch) | |
| tree | d2bc3d1a92cd68944750f3f40a8cb729590fc63f | |
| parent | cec51c2131c5f1c64c5e4045deeb6875286f40af (diff) | |
| parent | a9f182140cb274a91bcadd28c333e7301a60eb5c (diff) | |
Merge pull request #1179 from uestczyh222/master
[Components][Drivers][USB]fix memory leak
| -rw-r--r-- | components/drivers/usb/usbdevice/class/hid.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/components/drivers/usb/usbdevice/class/hid.c b/components/drivers/usb/usbdevice/class/hid.c index 11a8e39bfe..0b44456b8f 100644 --- a/components/drivers/usb/usbdevice/class/hid.c +++ b/components/drivers/usb/usbdevice/class/hid.c @@ -486,7 +486,10 @@ static rt_err_t _function_enable(ufunction_t func) // // _vcom_reset_state(func); // - data->ep_out->buffer = rt_malloc(HID_RX_BUFSIZE); + if(data->ep_out->buffer == RT_NULL) + { + data->ep_out->buffer = rt_malloc(HID_RX_BUFSIZE); + } data->ep_out->request.buffer = data->ep_out->buffer; data->ep_out->request.size = EP_MAXPACKET(data->ep_out); data->ep_out->request.req_type = UIO_REQUEST_READ_BEST; |