David Howells ccbd3dbe85 rxrpc: Fix a potential NULL-pointer deref in rxrpc_abort_calls
The call pointer in a channel on a connection will be NULL if there's no
active call on that channel.  rxrpc_abort_calls() needs to check for this
before trying to take the call's state_lock.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-08-30 15:56:12 +01:00
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