Ping-Ke Shih ca76817f4c wifi: rtw89: coex: use struct assignment to replace memcpy() to append TDMA content
To notify firmware TDMA timeslot assignment, append TDMA parameters when
sending policy H2C firmware command. However, compiler warns we do memcpy()
data to val[] field of TLV struct. To avoid this, assign the struct value
with simple '=' instead. Compile tested only.

rtw89/coex.c: In function '_append_tdma':
drivers/net/wireless/realtek/rtw89/coex.c:1585:17:
 warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=]
 1585 |                 memcpy(&v3->tdma, &dm->tdma, sizeof(v3->tdma));
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/net/wireless/realtek/rtw89/coex.h:8,
                 from drivers/net/wireless/realtek/rtw89/coex.c:5:
drivers/net/wireless/realtek/rtw89/core.h:2703:37:
 note: at offset [5714, 71249] into destination object 'ver' of size 8
 2703 |         const struct rtw89_btc_ver *ver;
      |                                     ^~~
drivers/net/wireless/realtek/rtw89/coex.c:1579:17:
 warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=]
 1579 |                 memcpy(v, &dm->tdma, sizeof(*v));
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/realtek/rtw89/core.h:2703:37:
 note: at offset [5710, 71245] into destination object 'ver' of size 8
 2703 |         const struct rtw89_btc_ver *ver;
      |                                     ^~~

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310301908.Wrj0diqe-lkp@intel.com/
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231102003716.25815-1-pkshih@realtek.com
2023-11-08 20:11:45 +02:00
2023-10-19 16:40:00 +02:00
2022-09-28 09:02:20 +02:00
2023-10-22 12:11:21 -10:00

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.

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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