Re: [PATCH 1/1] bridge: mdb: report complete_info ptr as not a kmemleak

From: David Miller
Date: Tue Jul 04 2017 - 04:48:51 EST

From: Eduardo Valentin <eduval@xxxxxxxxxx>
Date: Mon, 3 Jul 2017 10:06:34 -0700

> We currently get the following kmemleak report:
> This patch flags the complete_info ptr object as not a leak as it will
> get freed when .complete_priv() is called,

We don't call .complete_priv(). We call .complete().

for the br mdb case, it
> will be freed at br_mdb_complete().
> Cc: stable <stable@xxxxxxxxxxxxxxx> # v4.9+
> Reviewed-by: Vallish Vaidyeshwara <vallish@xxxxxxxxxx>
> Signed-off-by: Eduardo Valentin <eduval@xxxxxxxxxx>

I don't understand why kmemleak cannot see this.

We store the pointer globally when we do the switchdev_port_obv_add()
call and it should be able to see that.