rxrpc: Rework peer object handling to use hash table and RCU

[David Howells]

Dan Carpenter <dan.carpenter at oracle.com> wrote:

> The patch be6e6707f6ee: "rxrpc: Rework peer object handling to use
> hash table and RCU" from Apr 4, 2016, leads to the following static
> checker warning:
> 
> 	net/rxrpc/af_rxrpc.c:250 rxrpc_name_to_transport()
> 	warn: 'peer' isn't an ERR_PTR
> 
> net/rxrpc/af_rxrpc.c
>    247  
>    248          /* find a remote transport endpoint from the local one */
>    249          peer = rxrpc_lookup_peer(rx->local, srx, gfp);
>    250          if (IS_ERR(peer)
>    251                  return ERR_CAST(peer);
>    252  
> 
> See also:
> 
> 	net/rxrpc/call_accept.c:99 rxrpc_accept_incoming_call()
> 	warn: 'peer' isn't an ERR_PTR

I've rolled fixes for these into the patch you've already sent me.

David