From: Kees Cook Date: Fri, 18 Nov 2022 03:42:55 +0000 (-0800) Subject: hpet: Replace one-element array with flexible-array member X-Git-Tag: v6.6.17~5838^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d662198e03bc7fb4635156ee7e8b8d325e2d8512;p=platform%2Fkernel%2Flinux-rpi.git hpet: Replace one-element array with flexible-array member One-element arrays are deprecated[1] and are being replaced with flexible array members in support of the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy(), correctly instrument array indexing with UBSAN_BOUNDS, and to globally enable -fstrict-flex-arrays=3. Replace one-element array with flexible-array member in struct hpet. This results in no differences in binary output. The use of struct hpet is never used with sizeof() and accesses via hpet_timers array are already done after explicit bounds checking. [1] https://github.com/KSPP/linux/issues/79 Cc: Clemens Ladisch Cc: "Gustavo A. R. Silva" Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Link: https://lore.kernel.org/r/20221118034250.never.999-kees@kernel.org --- diff --git a/include/linux/hpet.h b/include/linux/hpet.h index 8604564..21e69ea 100644 --- a/include/linux/hpet.h +++ b/include/linux/hpet.h @@ -30,7 +30,7 @@ struct hpet { unsigned long _hpet_compare; } _u1; u64 hpet_fsb[2]; /* FSB route */ - } hpet_timers[1]; + } hpet_timers[]; }; #define hpet_mc _u0._hpet_mc