Weiguo Hu c7a7525815 net: wireless: rockchip_wlan: realtek wifi: avoid illegal argument when called by ioctl SIOCDEVPRIVATE read
Illegal argument will cause following kernel panic.

Call trace:
  phy_RFSerialRead_8723B
  PHY_QueryRFReg_8723B
  rtw_hal_read_rfreg
  rtw_wx_read_rf
  _rtw_ioctl_wext_private
  rtw_ioctl
  dev_ifsioc
  dev_ioctl

CNVD-C-2020-259506

Signed-off-by: Weiguo Hu <hwg@rock-chips.com>
Change-Id: I27e7a453a0156371fb96c764df99e8a77dce87fa
2020-11-12 17:21:08 +08:00
2020-10-30 12:21:53 +08:00
2019-02-10 00:33:21 +08:00
2019-02-10 00:33:21 +08:00
2019-02-10 00:33:21 +08:00
2019-08-29 19:45:37 +08:00
2019-08-29 19:45:37 +08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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