staging: r8712u: fix control-message timeout

stable inclusion
from stable-5.10.79
commit 9963ba5b9d495d05bf32f37dc42d69afed46639b
bugzilla: 185793 https://gitee.com/openeuler/kernel/issues/I4K65C

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9963ba5b9d495d05bf32f37dc42d69afed46639b

--------------------------------

commit ce494052 upstream.

USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.

Fixes: 2865d42c ("staging: r8712u: Add the new driver to the mainline kernel")
Cc: stable@vger.kernel.org      # 2.6.37
Acked-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211025120910.6339-3-johan@kernel.orgSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NBin Li <huawei.libin@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/staging/rtl8712/usb_ops_linux.c

@@ -494,7 +494,7 @@ int r8712_usbctrl_vendorreq(struct intf_priv *pintfpriv, u8 request, u16 value,
 		memcpy(pIo_buf, pdata, len);
 	}
 	status = usb_control_msg(udev, pipe, request, reqtype, value, index,
-				 pIo_buf, len, HZ / 2);
+				 pIo_buf, len, 500);
 	if (status > 0) {  /* Success this control transfer. */
 		if (requesttype == 0x01) {
 			/* For Control read transfer, we have to copy the read