[ Upstream commited06fce0b0] Fix up a case in call_encode() where we're failing to set task->tk_rpc_status when an RPC level error occurred. Fixes:9c5948c248("SUNRPC: task should be exit if encode return EKEYEXPIRED more times") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Sasha Levin <sashal@kernel.org>