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Re: [PATCH][next] wifi: cfg80211: Use __counted_by() in struct wmi_start_scan_cmd and avoid -Wfamnae warning

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"Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> writes:

> Prepare for the coming implementation by GCC and Clang of the
> __counted_by attribute. Flexible array members annotated with
> __counted_by can have their accesses bounds-checked at run-time
> via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE
> (for strcpy/memcpy-family functions).
>
> Also, -Wflex-array-member-not-at-end is coming in GCC-14, and we are
> getting ready to enable it globally.
>
> So, use the `DEFINE_FLEX()` helper for an on-stack definition of
> a flexible structure where the size of the flexible-array member
> is known at compile-time, and refactor the rest of the code,
> accordingly.
>
> So, with these changes, fix the following warning:
> drivers/net/wireless/ath/wil6210/cfg80211.c:896:43: warning: structure
> containing a flexible array member is not at the end of another
> structure [-Wflex-array-member-not-at-end]
>
> Link: https://github.com/KSPP/linux/issues/202
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/wil6210/cfg80211.c | 22 ++++++++++-----------
>  drivers/net/wireless/ath/wil6210/wmi.h      |  2 +-
>  2 files changed, 11 insertions(+), 13 deletions(-)

The subject should being with "wifi: wil6210:", I can fix that. (Didn't
review the rest yet.)

-- 
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