[2/2] NFSv4.1: Don't process the sequence op more than once.
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Message ID 20190301191153.104498-2-trond.myklebust@hammerspace.com
State New
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Series
  • [1/2] NFSv4.1: Reinitialise sequence results before retransmitting a request
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Commit Message

Trond Myklebust March 1, 2019, 7:11 p.m. UTC
Ensure that if we call nfs41_sequence_process() a second time for the
same rpc_task, then we only process the results once.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/nfs4proc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 5f8517d1a0a5..5b980246b035 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -754,7 +754,7 @@  static int nfs41_sequence_process(struct rpc_task *task,
 	if (slot == NULL)
 		goto out_noaction;
 	/* don't increment the sequence number if the task wasn't sent */
-	if (!RPC_WAS_SENT(task))
+	if (!RPC_WAS_SENT(task) || slot->seq_done)
 		goto out;
 
 	session = slot->table->session;