Not need to create pipes for dying client. So just skip them.

Note: we can safely dereference the client structure, because notification
caller is holding sn->pipefs_sb_lock.

Signed-off-by: Stanislav Kinsbursky <skinsbur...@parallels.com>
Cc: sta...@vger.kernel.org
---
 net/sunrpc/clnt.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index b4f1711..f0339ae 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -177,6 +177,8 @@ static inline int rpc_clnt_skip_event(struct rpc_clnt 
*clnt, unsigned long event
        if (((event == RPC_PIPEFS_MOUNT) && clnt->cl_dentry) ||
            ((event == RPC_PIPEFS_UMOUNT) && !clnt->cl_dentry))
                return 1;
+       if ((event == RPC_PIPEFS_MOUNT) && atomic_read(&clnt->cl_count) == 0)
+               return 1;
        return 0;
 }
 

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