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b7d170d5a6
We refine to check if supported bands of NL80211_BAND_2GHZ and NL80211_BAND_5GHZ exist before freeing their iftype_data. For now, it does not really encounter problems because all current chips support both 2 GHz and 5 GHz. But, driver actually allows chips to declare whether 2/5 GHz are supported or not. In case some future chips really don't support them, we refine this code. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230602150556.36777-2-pkshih@realtek.com
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.