Re: [Bluez-devel] Refcounting problem in rfcomm

[Marcel Holtmann <marcel@holtmann.org>]

Hi Peter,

> while trying to implement a server tty which can be used without a user 
> space daemon I came across a reference counting problem.  Function 
> rfcomm_accept_connection() 
> calls __module_get(nsock->ops->owner) but there is no corresponding
> module_put(). I think for user space sockets this won't be a problem. 
> However, if the owner of the socket is the rfcomm module itself the 
> reference count gets wrong.    
> 
> A work around for this may be to decrement the reference count just before 
> releasing the socket used for listening. 

the RFCOMM module reference counting is not funny and you can mess it up
on so many level. So be careful with it. I haven't looked at it, but
from past experience I know that you can easily break things. So please
give us some more details or code to show the problem.

Regards

Marcel



-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys -- and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
Bluez-devel mailing list
Bluez-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bluez-devel