From: gregkh <gregkh@linuxfoundation.org>
To: Xiaoke Wang <xkernel.wang@foxmail.com>
Cc: "dan.carpenter" <dan.carpenter@oracle.com>,
nsaenz <nsaenz@kernel.org>,
bcm-kernel-feedback-list <bcm-kernel-feedback-list@broadcom.com>,
linux-rpi-kernel <linux-rpi-kernel@lists.infradead.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-staging <linux-staging@lists.linux.dev>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] staging: mmal-vchiq: add a check for the return of vmalloc()
Date: Wed, 16 Mar 2022 15:08:20 +0100 [thread overview]
Message-ID: <YjHvVM3kug3ritca@kroah.com> (raw)
In-Reply-To: <tencent_84264ACEFF062098CC35B9C01C7A1464E108@qq.com>
On Wed, Mar 16, 2022 at 12:23:05AM +0800, Xiaoke Wang wrote:
> On Tue, 15 Mar 2022 16:27:38 +0100, Greg KH wrote:
> > Your change just crashed the kernel :(
> >
> > Please be more careful
>
> I am sorry. I ever been told that vfree(NULL) or kfree(NULL) is safe,
Sorry, you are right, I was thinking that there would be an error value
there. My mistake.
greg k-h
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prev parent reply other threads:[~2022-03-16 14:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-15 14:42 [PATCH v2] staging: mmal-vchiq: add a check for the return of vmalloc() xkernel.wang
2022-03-15 15:27 ` Greg KH
2022-03-15 15:53 ` Dan Carpenter
2022-03-15 16:23 ` Xiaoke Wang
2022-03-16 14:08 ` gregkh [this message]
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