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Message-ID: <202209022209.ABAD4C8899@keescook> Date: Fri, 2 Sep 2022 22:10:01 -0700 From: Kees Cook <keescook@...omium.org> To: "Gustavo A. R. Silva" <gustavoars@...nel.org> Cc: Cc: linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, ; Subject: Re: [PATCH][next] exportfs: Replace zero-length array with DECLARE_FLEX_ARRAY() helper On Sat, Sep 03, 2022 at 12:08:51AM +0100, Gustavo A. R. Silva wrote: > Zero-length arrays are deprecated and we are moving towards adopting > C99 flexible-array members instead. So, replace zero-length array > declaration in struct fid with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for a flexible-array member in a union. > > Link: https://github.com/KSPP/linux/issues/21 > Link: https://github.com/KSPP/linux/issues/193 > Link: https://github.com/KSPP/linux/issues/197 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> Reviewed-by: Kees Cook <keescook@...omium.org> -- Kees Cook
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