Re: [PATCH 0/8] scsi: aacraid: Replace one-element arrays with flexible-array members

From: Gustavo A. R. Silva
Date: Wed Mar 09 2022 - 22:55:23 EST


Hi all,

Friendly ping: who can review or comment on this series, please?

Thanks
--
Gustavo

On Tue, Feb 22, 2022 at 01:28:12AM -0600, Gustavo A. R. Silva wrote:
> This series aims to replace one-element arrays with flexible-array
> members in multiple structures in drivers/scsi/aacraid/aacraid.h.
>
> 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].
>
> This helps with the ongoing efforts to globally enable -Warray-bounds
> and get us closer to being able to tighten the FORTIFY_SOURCE routines
> on memcpy().
>
> These issues were found with the help of Coccinelle and audited and fixed,
> manually.
>
> [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/79
>
> Gustavo A. R. Silva (8):
> scsi: aacraid: Replace one-element array with flexible-array member
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct sgmap
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct user_sgmap
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct sgmap64
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct user_sgmap64
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct sgmapraw
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct user_sgmapraw
> scsi: aacraid: Replace one-element array with flexible-array member in
> struct aac_aifcmd
>
> drivers/scsi/aacraid/aachba.c | 76 +++++++++++----------------------
> drivers/scsi/aacraid/aacraid.h | 16 +++----
> drivers/scsi/aacraid/commctrl.c | 5 +--
> drivers/scsi/aacraid/comminit.c | 3 +-
> 4 files changed, 37 insertions(+), 63 deletions(-)
>
> --
> 2.27.0
>