From: Parthasarathy Bhuvaragan <parthasarathy.bhuvara...@ericsson.com>
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 <anders.wid...@ericsson.com>
> Signed-off-by: Parthasarathy Bhuvaragan 
> <parthasarathy.bhuvara...@ericsson.com>
> Acked-by: Jon Maloy <jon.ma...@ericsson.com>

Applied.

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