* relayfs question related to removing parent directory.
@ 2013-05-08 20:32 Ben Greear
2013-05-08 20:35 ` Al Viro
0 siblings, 1 reply; 3+ messages in thread
From: Ben Greear @ 2013-05-08 20:32 UTC (permalink / raw)
To: Linux Kernel Mailing List
I'm seeing a crash when unloading the ath9k module.
It seems relay_close() is being passed bad memory.
The relay_open call uses an ath9k debugfs directory, so
that may be removed before the call to relay_close()
is called.
Does relayfs automatically close files when the parent
directory is removed?
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: relayfs question related to removing parent directory.
2013-05-08 20:32 relayfs question related to removing parent directory Ben Greear
@ 2013-05-08 20:35 ` Al Viro
2013-05-08 20:37 ` Ben Greear
0 siblings, 1 reply; 3+ messages in thread
From: Al Viro @ 2013-05-08 20:35 UTC (permalink / raw)
To: Ben Greear; +Cc: Linux Kernel Mailing List
On Wed, May 08, 2013 at 01:32:06PM -0700, Ben Greear wrote:
> I'm seeing a crash when unloading the ath9k module.
>
> It seems relay_close() is being passed bad memory.
>
> The relay_open call uses an ath9k debugfs directory, so
> that may be removed before the call to relay_close()
> is called.
>
> Does relayfs automatically close files when the parent
> directory is removed?
Why and how the hell would it possibly manage such a miracle?
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: relayfs question related to removing parent directory.
2013-05-08 20:35 ` Al Viro
@ 2013-05-08 20:37 ` Ben Greear
0 siblings, 0 replies; 3+ messages in thread
From: Ben Greear @ 2013-05-08 20:37 UTC (permalink / raw)
To: Al Viro; +Cc: Linux Kernel Mailing List
On 05/08/2013 01:35 PM, Al Viro wrote:
> On Wed, May 08, 2013 at 01:32:06PM -0700, Ben Greear wrote:
>> I'm seeing a crash when unloading the ath9k module.
>>
>> It seems relay_close() is being passed bad memory.
>>
>> The relay_open call uses an ath9k debugfs directory, so
>> that may be removed before the call to relay_close()
>> is called.
>>
>> Does relayfs automatically close files when the parent
>> directory is removed?
>
> Why and how the hell would it possibly manage such a miracle?
>
No idea..I'm just trying to figure out why it is crashing
....don't see anything obvious in ath9k itself, but still looking.
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-05-08 20:35 ` Al Viro
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