[PATCH AUTOSEL 5.2 15/63] SUNRPC: RPC level errors should always set task->tk_rpc_status
From: Sasha Levin <sashal@kernel.org>
Date: 2019-10-01 16:57:42
Also in:
linux-nfs, lkml, stable
Subsystem:
kernel nfsd, sunrpc, and lockd servers, networking [general], nfs, sunrpc, and lockd clients, the rest · Maintainers:
Chuck Lever, Jeff Layton, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Trond Myklebust, Anna Schumaker, Linus Torvalds
From: Trond Myklebust <redacted> [ Upstream commit 714fbc73888f59321854e7f6c2f224213923bcad ] Ensure that we set task->tk_rpc_status for all RPC level errors so that the caller can distinguish between those and server reply status errors. Signed-off-by: Trond Myklebust <redacted> Signed-off-by: Anna Schumaker <redacted> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/sunrpc/clnt.c | 6 +++--- net/sunrpc/sched.c | 5 ++++- 2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index fbb85ea24ea0f..8f32f73614111 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c@@ -1760,7 +1760,7 @@ call_allocate(struct rpc_task *task) return; } - rpc_exit(task, -ERESTARTSYS); + rpc_call_rpcerror(task, -ERESTARTSYS); } static int
@@ -2480,7 +2480,7 @@ rpc_encode_header(struct rpc_task *task, struct xdr_stream *xdr) return 0; out_fail: trace_rpc_bad_callhdr(task); - rpc_exit(task, error); + rpc_call_rpcerror(task, error); return error; }
@@ -2547,7 +2547,7 @@ rpc_decode_header(struct rpc_task *task, struct xdr_stream *xdr) return -EAGAIN; } out_err: - rpc_exit(task, error); + rpc_call_rpcerror(task, error); return error; out_unparsable:
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index a2c1148127172..0b11971dec79b 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c@@ -914,8 +914,10 @@ static void __rpc_execute(struct rpc_task *task) /* * Signalled tasks should exit rather than sleep. */ - if (RPC_SIGNALLED(task)) + if (RPC_SIGNALLED(task)) { + task->tk_rpc_status = -ERESTARTSYS; rpc_exit(task, -ERESTARTSYS); + } /* * The queue->lock protects against races with
@@ -951,6 +953,7 @@ static void __rpc_execute(struct rpc_task *task) */ dprintk("RPC: %5u got signal\n", task->tk_pid); set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate); + task->tk_rpc_status = -ERESTARTSYS; rpc_exit(task, -ERESTARTSYS); } dprintk("RPC: %5u sync task resuming\n", task->tk_pid);
--
2.20.1