From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Date: Thu, 12 Jan 2023 14:17:36 -0800 Subject: [PATCH][next] crypto: aspeed - Replace zero-length array with flexible-array member In-Reply-To: References: Message-ID: <202301121417.EE86BDD5C@keescook> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Mon, Jan 09, 2023 at 07:39:17PM -0600, Gustavo A. R. Silva wrote: > Zero-length arrays are deprecated[1] and we are moving towards > adopting C99 flexible-array members instead. So, replace zero-length > array declaration in struct aspeed_sham_ctx with flex-array > member. > > This helps with the ongoing efforts to tighten the FORTIFY_SOURCE > routines on memcpy() and help us make progress towards globally > enabling -fstrict-flex-arrays=3 [2]. > > Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays [1] > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [2] > Link: https://github.com/KSPP/linux/issues/78 > Signed-off-by: Gustavo A. R. Silva Reviewed-by: Kees Cook -- Kees Cook