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-rw-r--r--net/ipv4/tcp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index dbb08140cdc9..6baa6dc1b13b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1937,6 +1937,11 @@ static int tcp_inq_hint(struct sock *sk)
inq = tp->rcv_nxt - tp->copied_seq;
release_sock(sk);
}
+ /* After receiving a FIN, tell the user-space to continue reading
+ * by returning a non-zero inq.
+ */
+ if (inq == 0 && sock_flag(sk, SOCK_DONE))
+ inq = 1;
return inq;
}