On Thu, 5 Mar 2015 07:57:09 +0100
Daniel Wagner <[email protected]> wrote:

> Hi Jeff,
> 
> On 03/05/2015 01:06 AM, Jeff Layton wrote:
> > Commit 8634b51f6ca2 (locks: convert lease handling to file_lock_context)
> > introduced a regression in the handling of lease upgrade/downgrades.
> > 
> > In the event that we already have a lease on a file and are going to
> > either upgrade or downgrade it, we skip doing any list insertion or
> > deletion and skip to re-calling lm_setup on the existing lease.
> > 
> > As of commit 8634b51f6ca2 however, we end up calling lm_setup on the
> > lease that was passed in, instead of on the existing lease. This causes
> > us to leak the fasync_struct that was allocated in the event that there
> > was not already an existing one (as it always appeared that there
> > wasn't one).
> > 
> > Fixes: 8634b51f6ca2 (locks: convert lease handling to file_lock_context)
> 
> Yes, that fixes the problem. Thanks!
> 
> > Reported-by: Daniel Wagner <[email protected]>
> > Signed-off-by: Jeff Layton <[email protected]>
> 
> Tested-by: Daniel Wagner <[email protected]>
> 
> 
> cheers,
> daniel

Thanks for testing it! I'll let it soak in linux-next for a day or so
and then send a pull request to Linus.

Cheers!
-- 
Jeff Layton <[email protected]>
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