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clean up the usb_writeN

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Remove unnecessary variables, check the length.

Link: https://lore.kernel.org/r/20210821164859.4351-8-martin@kaiser.cx
This commit is contained in:
Martin Kaiser 2021-08-21 18:48:57 +02:00 committed by Carlos Garcés
parent fe504c75a2
commit d4dcb38048
1 changed files with 5 additions and 14 deletions
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19
hal/hal_hci/hal_usb.c
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@ -414,24 +414,15 @@ int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata) int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
{ {
u8 requesttype; u16 wvalue = (u16)(addr & 0x0000ffff);
u16 wvalue;
u16 index;
u16 len;
u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0}; u8 buf[VENDOR_CMD_MAX_DATA_LEN] = {0};
int ret;
if (length > VENDOR_CMD_MAX_DATA_LEN)
return -EINVAL;
requesttype = 0x00;/* write_out */ memcpy(buf, pdata, length);
index = 0;/* n/a */ return usbctrl_vendorreq(pintfhdl, wvalue, 0, buf, (length & 0xffff), VENDOR_WRITE);
wvalue = (u16)(addr & 0x0000ffff);
len = length;
_rtw_memcpy(buf, pdata, len);
ret = usbctrl_vendorreq(pintfhdl, wvalue, index, buf, len, requesttype);
return ret;
} }
void usb_set_intf_ops(_adapter *padapter, struct _io_ops *pops) void usb_set_intf_ops(_adapter *padapter, struct _io_ops *pops)