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Date: Thu, 30 Sep 2021 13:48:15 +0200 From: Takashi Iwai <tiwai@...e.de> To: "Gustavo A. R. Silva" <gustavoars@...nel.org> Cc: Anton Yakovlev <anton.yakovlev@...nsynergy.com>, "Michael S. Tsirkin" <mst@...hat.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, virtualization@...ts.linux-foundation.org, alsa-devel@...a-project.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH][next] ALSA: virtio: Replace zero-length array with flexible-array member On Wed, 29 Sep 2021 21:15:04 +0200, 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]. > > Also, make use of the struct_size() helper in kzalloc(). > > [1] https://en.wikipedia.org/wiki/Flexible_array_member > [2] https://www.kernel.org/doc/html/v5.10/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> Thanks, applied. Takashi
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