From: Marc Kleine-Budde <mkl@pengutronix.de>
To: "Ahmed S. Darwish" <darwish.07@gmail.com>,
Olivier Sobrie <olivier@sobrie.be>,
Oliver Hartkopp <socketcan@hartkopp.net>,
Wolfgang Grandegger <wg@grandegger.com>,
Andri Yngvason <andri.yngvason@marel.com>
Cc: Linux-CAN <linux-can@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/5] can: kvaser_usb: Avoid double free on URB submission failures
Date: Wed, 04 Mar 2015 10:15:45 +0100 [thread overview]
Message-ID: <54F6CD41.8050703@pengutronix.de> (raw)
In-Reply-To: <20150226152011.GA6075@linux>
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On 02/26/2015 04:20 PM, Ahmed S. Darwish wrote:
> From: Ahmed S. Darwish <ahmed.darwish@valeo.com>
>
> Upon a URB submission failure, the driver calls usb_free_urb()
> but then manually frees the URB buffer by itself. Meanwhile
> usb_free_urb() has alredy freed out that transfer buffer since
> we're the only code path holding a reference to this URB.
>
> Remove two of such invalid manual free().
>
> Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Applied 1+2 and added stable on Cc. Can you please shuffle the remaining
patches, so that patch 5 comes first, then 4 and 3 as the last patch. As
5 is a bugfix it should go into stable, while 3 isn't.
You can base your series on the can/testing branch.
Marc
--
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next prev parent reply other threads:[~2015-03-04 9:15 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 15:20 [PATCH 1/5] can: kvaser_usb: Avoid double free on URB submission failures Ahmed S. Darwish
2015-02-26 15:22 ` [PATCH 2/5] can: kvaser_usb: Read all messages in a bulk-in URB buffer Ahmed S. Darwish
2015-02-26 15:24 ` [PATCH 3/5] can: kvaser_usb: Utilize all possible tx URBs Ahmed S. Darwish
2015-02-26 15:24 ` Ahmed S. Darwish
2015-02-26 15:25 ` [PATCH 4/5] can: kvaser_usb: Use can-dev unregistration mechanism Ahmed S. Darwish
2015-02-26 15:29 ` [PATCH 5/5] can: kvaser_usb: Fix tx queue start/stop race conditions Ahmed S. Darwish
2015-03-14 14:26 ` [PATCH 2/5] can: kvaser_usb: Read all messages in a bulk-in URB buffer Marc Kleine-Budde
2015-03-04 9:15 ` Marc Kleine-Budde [this message]
2015-03-09 12:32 ` [PATCH 1/5] can: kvaser_usb: Avoid double free on URB submission failures Ahmed S. Darwish
2015-03-09 12:56 ` Marc Kleine-Budde
2015-03-11 15:23 ` [PATCH v2 1/3] can: kvaser_usb: Fix tx queue start/stop race conditions Ahmed S. Darwish
2015-03-11 15:28 ` [PATCH v2 2/3] can: kvaser_usb: Utilize all possible tx URBs Ahmed S. Darwish
2015-03-11 15:30 ` [PATCH v2 3/3] can: kvaser_usb: Use can-dev unregistration mechanism Ahmed S. Darwish
2015-03-11 15:36 ` [PATCH v2 1/3] can: kvaser_usb: Fix tx queue start/stop race conditions Marc Kleine-Budde
2015-03-11 15:57 ` Ahmed S. Darwish
2015-03-11 17:37 ` [PATCH v3 " Ahmed S. Darwish
2015-03-11 17:39 ` [PATCH v3 2/3] can: kvaser_usb: Utilize all possible tx URBs Ahmed S. Darwish
2015-03-11 17:39 ` [PATCH v3 3/3] can: kvaser_usb: Use can-dev unregistration mechanism Ahmed S. Darwish
2015-03-11 21:53 ` [PATCH v3 2/3] can: kvaser_usb: Utilize all possible tx URBs Marc Kleine-Budde
2015-03-12 10:52 ` Ahmed S. Darwish
2015-03-12 11:29 ` Marc Kleine-Budde
2015-03-11 21:43 ` [PATCH v3 1/3] can: kvaser_usb: Fix tx queue start/stop race conditions Marc Kleine-Budde
2015-03-12 19:30 ` Ahmed S. Darwish
2015-03-12 19:30 ` Ahmed S. Darwish
2015-03-14 13:02 ` [PATCH v4 " Ahmed S. Darwish
2015-03-14 13:09 ` [PATCH v4 2/3] can: kvaser_usb: Utilize all possible tx URBs Ahmed S. Darwish
2015-03-14 13:11 ` [PATCH v4 3/3] can: kvaser_usb: Use can-dev unregistration mechanism Ahmed S. Darwish
2015-03-14 15:26 ` Marc Kleine-Budde
2015-03-14 15:41 ` Ahmed S. Darwish
2015-03-14 15:55 ` Marc Kleine-Budde
2015-03-14 16:06 ` Ahmed S. Darwish
2015-03-14 13:41 ` [PATCH v4 1/3] can: kvaser_usb: Fix tx queue start/stop race conditions Marc Kleine-Budde
2015-03-14 14:02 ` according net pull-request - was " Oliver Hartkopp
2015-03-14 14:15 ` Marc Kleine-Budde
2015-03-14 14:38 ` Ahmed S. Darwish
2015-03-14 14:58 ` Marc Kleine-Budde
2015-03-14 15:19 ` Ahmed S. Darwish
2015-03-15 15:03 ` [PATCH v5 1/2] can: kvaser_usb: Comply with firmware max tx URBs value Ahmed S. Darwish
2015-03-15 15:10 ` [PATCH v5 2/2] can: kvaser_usb: Fix sparse warning __le16 degrades to integer Ahmed S. Darwish
2015-03-15 18:08 ` [PATCH v5 1/2] can: kvaser_usb: Comply with firmware max tx URBs value Marc Kleine-Budde
2015-03-16 12:16 ` Ahmed S. Darwish
2015-03-16 12:56 ` Marc Kleine-Budde
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