Re: [irda-users] [PATCH] irlmp_unregister_link needs to free lsaps hashbin

[Samuel Ortiz <samuel@sortiz.org>]

Hi Hinko,

On Fri, Oct 12, 2007 at 02:56:27PM +0200, hinko.kocevar@cetrtapot.si wrote:
> Hi,
> 
> While testing the mcs7780 based IrDA USB dongle I've stumbled upon
> memory leak in irlmp_unregister_link(). Hashbin for lsaps is created in
> irlmp_register_link and should probably be freed in irlmp_unregister_link().
> 
> Signed-off-by: Hinko Kocevar <hinko.kocevar@cetrtapot.si>
> 
> Best regards,
> Hinko
> 
> ----
> 
> 

> --- linux-2.6.23/net/irda/irlmp.c.orig	2007-10-12 14:05:17.000000000 +0200
> +++ linux-2.6.23/net/irda/irlmp.c	2007-10-12 14:05:41.000000000 +0200
> @@ -353,6 +353,7 @@ void irlmp_unregister_link(__u32 saddr)
>  		/* Final cleanup */
>  		del_timer(&link->idle_timer);
>  		link->magic = 0;
> +		hashbin_delete(link->lsaps, (FREE_FUNC) kfree);
Good catch, but I think the right fix sould be:
+             hashbin_delete(link->lsaps, (FREE_FUNC) __irlmp_close_lsap);

and I'll forward it. Thanks a lot.

Cheers,
Samuel.


>  		kfree(link);
>  	}
>  }

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