linux-kernel - [PATCH 3.16 032/148] compat

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Message-ID: <lsq.1581185940.889552404@decadent.org.uk>
Date:   Sat, 08 Feb 2020 18:19:31 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Arnd Bergmann" <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        "Eric Dumazet" <edumazet@...gle.com>
Subject: [PATCH 3.16 032/148] compat_ioctl: handle SIOCOUTQNSD

3.16.82-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.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@...gle.com>
Cc: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/socket.c | 1 +
 1 file changed, 1 insertion(+)

--- a/net/socket.c
+++ b/net/socket.c
@@ -3311,6 +3311,7 @@ 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);
 	}