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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
        netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
        Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH 4.14 47/71] compat_ioctl: handle SIOCOUTQNSD
Date:   Fri, 17 Jan 2020 00:18:45 +0100
Message-Id: <20200116231716.236179399@linuxfoundation.org>
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From: Arnd Bergmann <arnd@arndb.de>

commit 9d7bf41fafa5b5ddd4c13eb39446b0045f0a8167 upstream.

Unlike the normal SIOCOUTQ, SIOCOUTQNSD was never handled in compat
mode. Add it to the common socket compat handler along with similar
ones.

Fixes: 2f4e1b397097 ("tcp: ioctl type SIOCOUTQNSD returns amount of data not sent")
Cc: Eric Dumazet <edumazet@google.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/socket.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/socket.c
+++ b/net/socket.c
@@ -3267,6 +3267,7 @@ static int compat_sock_ioctl_trans(struc
 	case SIOCSARP:
 	case SIOCGARP:
 	case SIOCDARP:
+	case SIOCOUTQNSD:
 	case SIOCATMARK:
 		return sock_do_ioctl(net, sock, cmd, arg);
 	}