diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/r8188eu/hal/usb_ops_linux.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c index e01f1ac19596..5408383ccec3 100644 --- a/drivers/staging/r8188eu/hal/usb_ops_linux.c +++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c @@ -151,20 +151,15 @@ static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val) static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata) { - u16 wvalue; - u16 len; + u16 wvalue = (u16)(addr & 0x0000ffff); u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0}; - int ret; - + if (length > VENDOR_CMD_MAX_DATA_LEN) + return -EINVAL; - wvalue = (u16)(addr & 0x0000ffff); - len = length; - memcpy(buf, pdata, len); + memcpy(buf, pdata, length); - ret = usbctrl_vendorreq(pintfhdl, wvalue, buf, len, REALTEK_USB_VENQT_WRITE); - - return ret; + return usbctrl_vendorreq(pintfhdl, wvalue, buf, (length & 0xffff), REALTEK_USB_VENQT_WRITE); } static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf) |