From e5659d46db26436847461e261454c063ddf84336 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 11 Apr 2017 13:22:29 -0400
Subject: [PATCH] xprtrdma: Cancel refresh worker during buffer shutdown
Trying to create MRs while the transport is being torn down can
cause a crash.
Fixes: 9d4253b73cbb ("xprtrdma: Allocate MRs on demand")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
net/sunrpc/xprtrdma/verbs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3b332b395045b..2e4fc1e469471 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1037,6 +1037,7 @@ void
rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf)
{
cancel_delayed_work_sync(&buf->rb_recovery_worker);
+ cancel_delayed_work_sync(&buf->rb_refresh_worker);
while (!list_empty(&buf->rb_recv_bufs)) {
struct rpcrdma_rep *rep;
--
2.39.5