Arnd Bergmann <arnd@xxxxxxxxxx> 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@xxxxxxxx> > [kvalo@xxxxxxxxxxxxxx: remove ifdef and add a comment] > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> 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@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
