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From: Markus Elfring <Markus.Elfring@web.de>
To: Chunfeng Yun <chunfeng.yun@mediatek.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Felipe Balbi <felipe.balbi@linux.intel.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Cc: Colin Ian King <colin.king@canonical.com>,
	kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] usb: mtu3: fix NULL pointer dereference
Date: Mon, 29 Jun 2020 08:00:22 +0000	[thread overview]
Message-ID: <99fc1f6e-7907-6723-612a-8b68ffa871e5@web.de> (raw)
In-Reply-To: <1593410434-19406-2-git-send-email-chunfeng.yun@mediatek.com>

> Some pointers are dereferenced before successful checks.

I suggest to reconsider and improve the change description.

* Would a null pointer dereference be possible only with the variables “mep”
  and “mreq” in the implementation of the function “mtu3_gadget_dequeue”?

* How do you think about to adjust any more variable initialisations?

* Will it become helpful to add the tag “Fixes” to the commit message?

Regards,
Markus

  parent reply	other threads:[~2020-06-29  8:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1593410434-19406-1-git-send-email-chunfeng.yun@mediatek.com>
2020-06-29  7:30 ` [PATCH 1/2] usb: mtu3: disable USB2 LPM Markus Elfring
2020-06-29  8:10   ` Greg Kroah-Hartman
     [not found] ` <1593410434-19406-2-git-send-email-chunfeng.yun@mediatek.com>
2020-06-29  8:00   ` Markus Elfring [this message]
2020-06-29  8:10     ` [PATCH 2/2] usb: mtu3: fix NULL pointer dereference Greg Kroah-Hartman
2020-06-30  7:28     ` Chunfeng Yun
2020-06-29 16:19   ` Searching for initialisation of variables by function calls before null pointer checks Markus Elfring

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