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Date: Thu, 17 Feb 2022 00:25:47 +0000 From: Pkshih <pkshih@...ltek.com> To: Kees Cook <keescook@...omium.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org> CC: Kalle Valo <kvalo@...nel.org>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org> Subject: RE: [PATCH][next] tw89: core.h: Replace zero-length array with flexible-array member > -----Original Message----- > From: Kees Cook <keescook@...omium.org> > Sent: Thursday, February 17, 2022 4:36 AM > To: Gustavo A. R. Silva <gustavoars@...nel.org> > Cc: Pkshih <pkshih@...ltek.com>; Kalle Valo <kvalo@...nel.org>; David S. Miller <davem@...emloft.net>; > Jakub Kicinski <kuba@...nel.org>; linux-wireless@...r.kernel.org; netdev@...r.kernel.org; > linux-kernel@...r.kernel.org; linux-hardening@...r.kernel.org > Subject: Re: [PATCH][next] tw89: core.h: Replace zero-length array with flexible-array member > > On Wed, Feb 16, 2022 at 01:50:47PM -0600, Gustavo A. R. Silva wrote: > > There is a regular need in the kernel to provide a way to declare > > having a dynamically sized set of trailing elements in a structure. > > Kernel code should always use “flexible array members”[1] for these > > cases. The older style of one-element or zero-length arrays should > > no longer be used[2]. > > > > [1] https://en.wikipedia.org/wiki/Flexible_array_member > > [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays > > > > Link: https://github.com/KSPP/linux/issues/78 > > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> > > Reviewed-by: Kees Cook <keescook@...omium.org> Acked-by: Ping-Ke Shih <pkshih@...ltek.com> -- Ping-Ke
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