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    SubjectRe: [PATCH net-next 08/11] ath9k: work around false-positive gcc warning
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    Arnd Bergmann <arnd@kernel.org> wrote:

    > gcc-10 shows a false-positive warning with CONFIG_KASAN:
    >
    > drivers/net/wireless/ath/ath9k/dynack.c: In function 'ath_dynack_sample_tx_ts':
    > include/linux/etherdevice.h:290:14: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=]
    > 290 | *(u32 *)dst = *(const u32 *)src;
    > | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
    >
    > Until gcc is fixed, work around this by using memcpy() in place
    > of ether_addr_copy(). Hopefully gcc-11 will not have this problem.
    >
    > Link: https://godbolt.org/z/sab1MK
    > Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97490
    > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
    > [kvalo@codeaurora.org: remove ifdef and add a comment]
    > Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

    Patch applied to ath-next branch of ath.git, thanks.

    b96fab4e3602 ath9k: work around false-positive gcc warning

    --
    https://patchwork.kernel.org/project/linux-wireless/patch/20201026213040.3889546-8-arnd@kernel.org/

    https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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