linux-kernel - Re: [PATCH] MIPS: lantiq: check the return value of kzalloc()

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Message-ID: <20220330183448.GB18042@alpha.franken.de>
Date:   Wed, 30 Mar 2022 20:34:48 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     xkernel.wang@...mail.com
Cc:     john@...ozen.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: lantiq: check the return value of kzalloc()

On Fri, Mar 25, 2022 at 07:49:41PM +0800, xkernel.wang@...mail.com wrote:
> From: Xiaoke Wang <xkernel.wang@...mail.com>
> 
> kzalloc() is a memory allocation function which can return NULL when
> some internal memory errors happen. So it is better to check the
> return value of it to prevent potential wrong memory access or
> memory leak.
> 
> Signed-off-by: Xiaoke Wang <xkernel.wang@...mail.com>
> ---
>  arch/mips/lantiq/falcon/sysctrl.c |  2 ++
>  arch/mips/lantiq/xway/gptu.c      |  2 ++
>  arch/mips/lantiq/xway/sysctrl.c   | 46 ++++++++++++++++++++-----------
>  3 files changed, 34 insertions(+), 16 deletions(-)

applied to mips-next.

Thomas.

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