linux-kernel - Re: [PATCH] nvmet: replace kmalloc + memset with kzalloc for data allocation

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Message-ID: <Z09V6QHNxGS5FTyB@kbusch-mbp>
Date: Tue, 3 Dec 2024 11:03:05 -0800
From: Keith Busch <kbusch@...nel.org>
To: Yu-Chun Lin <eleanor15x@...il.com>
Cc: hch@....de, sagi@...mberg.me, kch@...dia.com,
	linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
	visitorckw@...il.com, jserv@...s.ncku.edu.tw,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] nvmet: replace kmalloc + memset with kzalloc for data
 allocation

On Sun, Dec 01, 2024 at 01:02:58AM +0800, Yu-Chun Lin wrote:
> cocci warnings: (new ones prefixed by >>)
> >> drivers/nvme/target/pr.c:831:8-15: WARNING: kzalloc should be used for data, instead of kmalloc/memset
> 
> The pattern of using 'kmalloc' followed by 'memset' is replaced with
> 'kzalloc', which is functionally equivalent to 'kmalloc' + 'memset',
> but more efficient. 'kzalloc' automatically zeroes the allocated
> memory, making it a faster and more streamlined solution.

Thanks, applied to nvme-6.13.