linux-kernel - Re: [PATCH] thunderbolt: check the return value of kmemdup()

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Message-ID: <Ybbj470ocCf7bj68@kroah.com>
Date:   Mon, 13 Dec 2021 07:10:43 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     xkernel <xkernel.wang@...mail.com>
Cc:     andreas.noever@...il.com, michael.jamet@...el.com,
        mika.westerberg@...ux.intel.com, YehezkelShB@...il.com,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thunderbolt: check the return value of kmemdup()

On Mon, Dec 13, 2021 at 12:51:33AM +0800, xkernel wrote:
> kmemdup() return NULL when some internal memory errors happen, it is
> better to check the return value of it. Otherwise, some memory errors
> will not be catched in time and may further result in wrong memory
> access.
> 
> Signed-off-by: xkernel <xkernel.wang@...mail.com>

Please use your "full" name, I doubt you sign documents as "xkernel". :)

thanks,

greg k-h