From: Parthasarathy Bhuvaragan <[email protected]>
Date: Thu, 3 Mar 2016 17:54:54 +0100
> commit 4d5cfcba2f6e ('tipc: fix connection abort during subscription
> cancel'), removes the check for a valid subscription before calling
> tipc_nametbl_subscribe().
>
> This will lead to a nullptr exception when we process a
> subscription cancel request. For a cancel request, a null
> subscription is passed to tipc_nametbl_subscribe() resulting
> in exception.
>
> In this commit, we call tipc_nametbl_subscribe() only for
> a valid subscription.
>
> Fixes: 4d5cfcba2f6e ('tipc: fix connection abort during subscription cancel')
> Reported-by: Anders Widell <[email protected]>
> Signed-off-by: Parthasarathy Bhuvaragan
> <[email protected]>
> Acked-by: Jon Maloy <[email protected]>
Applied.
