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-rw-r--r--net/sunrpc/svcsock.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 305374d4fb98..7762b9f8a8b7 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1193,7 +1193,9 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt)
if (test_bit(XPT_LISTENER, &xprt->xpt_flags))
return 1;
required = atomic_read(&xprt->xpt_reserved) + serv->sv_max_mesg;
- if (sk_stream_wspace(svsk->sk_sk) >= required)
+ if (sk_stream_wspace(svsk->sk_sk) >= required ||
+ (sk_stream_min_wspace(svsk->sk_sk) == 0 &&
+ atomic_read(&xprt->xpt_reserved) == 0))
return 1;
set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
return 0;
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