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authorAlex Shi <alex.shi@linaro.org>2016-10-29 13:26:04 +0800
committerAlex Shi <alex.shi@linaro.org>2016-10-29 13:26:04 +0800
commitc11a255c622e7a2d312f4080c6ef529dd67b3c38 (patch)
treec7d36f8014e9da35e4b772cfdc1779ec0449d657 /net/sunrpc/xprtsock.c
parent273daee0be36235886622396eedb618fc5de0213 (diff)
parent25f89e269f5c5d06594098cc3b1d97554249f3f9 (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 1ba417207465..27b6f55fa43a 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -474,7 +474,16 @@ static int xs_nospace(struct rpc_task *task)
spin_unlock_bh(&xprt->transport_lock);
/* Race breaker in case memory is freed before above code is called */
- sk->sk_write_space(sk);
+ if (ret == -EAGAIN) {
+ struct socket_wq *wq;
+
+ rcu_read_lock();
+ wq = rcu_dereference(sk->sk_wq);
+ set_bit(SOCKWQ_ASYNC_NOSPACE, &wq->flags);
+ rcu_read_unlock();
+
+ sk->sk_write_space(sk);
+ }
return ret;
}