NFSv4: Fix up nfs4_proc_lookup_mountpoint
Currently, we do not check the return value of client = rpc_clone_client(), nor do we shut down the resulting cloned rpc_clnt in the case where a NFS4ERR_WRONGSEC has caused nfs4_proc_lookup_common() to replace the original value of 'client' (causing a memory leak). Fix both issues and simplify the code by moving the call to rpc_clone_client() until after nfs4_proc_lookup_common() has done its business. Reported-by: NAndy Adamson <andros@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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