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[ Upstream commit7c53eb5d87] During refactor in commit9e478066ea("mac80211: fix MU-MIMO follow-MAC mode") a new struct 'action' was declared with packed attribute as: struct { struct ieee80211_hdr_3addr hdr; u8 category; u8 action_code; } __packed action; But since struct 'ieee80211_hdr_3addr' is declared with an aligned keyword as: struct ieee80211_hdr { __le16 frame_control; __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; __le16 seq_ctrl; u8 addr4[ETH_ALEN]; } __packed __aligned(2); Solve the ambiguity of placing aligned structure in a packed one by adding the aligned(2) attribute to struct 'action'. This removes the following warning (W=1): net/mac80211/rx.c:234:2: warning: alignment 1 of 'struct <anonymous>' is less than 2 [-Wpacked-not-aligned] Cc: Johannes Berg <johannes.berg@intel.com> Suggested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.