From: Taehee Yoo <ap420...@gmail.com> Date: Thu, 2 Jul 2020 17:07:37 +0000
> There are two problems in rmnet module that they occur the leak of > a lower interface. > The symptom is the same, which is the leak of a lower interface. > But there are two different real problems. > This patchset is to fix these real problems. > > 1. Do not allow to have different two modes. > As a lower interface of rmnet, there are two modes that they are VND > and BRIDGE. > One interface can have only one mode. > But in the current rmnet, there is no code to prevent to have > two modes in one lower interface. > So, interface leak occurs. > > 2. Do not allow to add multiple bridge interfaces. > rmnet can have only two bridge interface. > If an additional bridge interface is tried to be attached, > rmnet should deny it. > But there is no code to do that. > So, interface leak occurs. Series applied and queued up for v5.6+ -stable, thanks.
