From: Benjamin LaHaise <bcrl@kvack.org>
To: Chris Leech <christopher.leech@intel.com>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 1/8] [I/OAT] DMA memcpy subsystem
Date: Sat, 4 Mar 2006 14:20:30 -0500 [thread overview]
Message-ID: <20060304192030.GA6510@kvack.org> (raw)
In-Reply-To: <20060303214220.11908.75517.stgit@gitlost.site>
On Fri, Mar 03, 2006 at 01:42:20PM -0800, Chris Leech wrote:
> +void dma_async_device_unregister(struct dma_device* device)
> +{
...
> + kref_put(&device->refcount, dma_async_device_cleanup);
> + wait_for_completion(&device->done);
> +}
This looks like a bug: device is dereferenced after it is potentially
freed.
-ben
--
"Time is of no importance, Mr. President, only life is important."
Don't Email: <dont@kvack.org>.
next prev parent reply other threads:[~2006-03-04 19:25 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-03 21:40 [PATCH 0/8] Intel I/O Acceleration Technology (I/OAT) Chris Leech
2006-03-03 21:42 ` [PATCH 1/8] [I/OAT] DMA memcpy subsystem Chris Leech
2006-03-04 1:40 ` David S. Miller
2006-03-06 19:39 ` Chris Leech
2006-03-04 19:20 ` Benjamin LaHaise [this message]
2006-03-06 19:48 ` Chris Leech
2006-03-03 21:42 ` [PATCH 3/8] [I/OAT] Setup the networking subsystem as a DMA client Chris Leech
2006-03-03 21:42 ` [PATCH 4/8] [I/OAT] Utility functions for offloading sk_buff to iovec copies Chris Leech
2006-03-05 7:15 ` Andrew Morton
2006-03-03 21:42 ` [PATCH 5/8] [I/OAT] Structure changes for TCP recv offload to I/OAT Chris Leech
2006-03-05 7:19 ` Andrew Morton
2006-03-03 21:42 ` [PATCH 6/8] [I/OAT] Rename cleanup_rbuf to tcp_cleanup_rbuf and make non-static Chris Leech
2006-03-03 21:42 ` [PATCH 7/8] [I/OAT] Add a sysctl for tuning the I/OAT offloaded I/O threshold Chris Leech
2006-03-04 11:22 ` Alexey Dobriyan
2006-03-05 7:21 ` Andrew Morton
2006-03-03 21:42 ` [PATCH 8/8] [I/OAT] TCP recv offload to I/OAT Chris Leech
2006-03-04 16:39 ` Pavel Machek
2006-03-04 23:18 ` Greg KH
2006-03-06 19:28 ` Chris Leech
2006-03-05 7:30 ` Andrew Morton
2006-03-05 8:45 ` Andrew Morton
2006-03-05 10:27 ` David S. Miller
2006-03-06 19:36 ` Chris Leech
2006-03-03 22:27 ` [PATCH 0/8] Intel I/O Acceleration Technology (I/OAT) Jeff Garzik
2006-03-03 22:39 ` Chris Leech
2006-03-03 22:45 ` Jeff Garzik
2006-03-04 11:35 ` Evgeniy Polyakov
2006-03-05 8:09 ` Andrew Morton
2006-03-05 9:02 ` Discourage duplicate symbols in the kernel? [Was: Intel I/O Acc...] Sam Ravnborg
2006-03-05 9:18 ` Andrew Morton
2006-03-06 19:56 ` Chris Leech
2006-03-03 22:58 ` [PATCH 0/8] Intel I/O Acceleration Technology (I/OAT) Kumar Gala
2006-03-03 23:32 ` Chris Leech
2006-03-04 18:46 ` Jan Engelhardt
2006-03-04 21:41 ` David S. Miller
2006-03-04 22:05 ` Gene Heskett
2006-03-04 22:16 ` David S. Miller
2006-03-05 13:45 ` Jan Engelhardt
2006-03-05 13:55 ` Arjan van de Ven
2006-03-05 16:14 ` Matthieu CASTET
2006-03-05 16:30 ` Jeff Garzik
2006-03-06 19:24 ` Chris Leech
2006-03-06 19:15 ` Chris Leech
2006-03-05 1:43 ` Evgeniy Polyakov
2006-03-05 2:08 ` David S. Miller
2006-03-06 17:44 ` Ingo Oeser
2006-03-07 7:44 ` Evgeniy Polyakov
2006-03-07 9:43 ` Ingo Oeser
2006-03-07 10:16 ` Evgeniy Polyakov
-- strict thread matches above, loose matches on Subject: below --
2006-03-11 2:27 Chris Leech
2006-03-11 2:29 ` [PATCH 1/8] [I/OAT] DMA memcpy subsystem Chris Leech
2006-03-11 8:53 ` Andrew Morton
2006-03-14 22:13 ` Pavel Machek
2006-03-17 7:30 ` Kumar Gala
2006-03-28 18:44 ` Andrew Grover
2006-03-28 18:58 ` Kumar Gala
2006-03-28 22:01 ` Andrew Grover
2006-03-28 23:03 ` Kumar Gala
2006-03-29 23:05 ` Andrew Grover
2006-03-30 8:01 ` Kumar Gala
2006-03-30 18:27 ` Andrew Grover
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