Merge remote-tracking branch 'drm/drm-next' into drm-misc-next-fixes

Some fixes have been accidentally pushed to this, so I cannot fost-forward.
Required to pull in the remove-fbcon-notifiers fixes.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

1 files changed, 57 insertions, 58 deletions

diff --git a/net/socket.c b/net/socket.c
index 8255f5bda0aa..38eec1583f6d 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * NET		An implementation of the SOCKET network access protocol.
  *
@@ -45,13 +46,6 @@
  *		Tigran Aivazian	:	Made listen(2) backlog sanity checks
  *					protocol-independent
  *
- *
- *		This program is free software; you can redistribute it and/or
- *		modify it under the terms of the GNU General Public License
- *		as published by the Free Software Foundation; either version
- *		2 of the License, or (at your option) any later version.
- *
- *
  *	This module is effectively the top level interface to the BSD socket
  *	paradigm.
  *
@@ -90,6 +84,7 @@
 #include <linux/slab.h>
 #include <linux/xattr.h>
 #include <linux/nospec.h>
+#include <linux/indirect_call_wrapper.h>
 
 #include <linux/uaccess.h>
 #include <asm/unistd.h>
@@ -108,6 +103,13 @@
 #include <net/busy_poll.h>
 #include <linux/errqueue.h>
 
+/* proto_ops for ipv4 and ipv6 use the same {recv,send}msg function */
+#if IS_ENABLED(CONFIG_INET)
+#define INDIRECT_CALL_INET4(f, f1, ...) INDIRECT_CALL_1(f, f1, __VA_ARGS__)
+#else
+#define INDIRECT_CALL_INET4(f, f1, ...) f(__VA_ARGS__)
+#endif
+
 #ifdef CONFIG_NET_RX_BUSY_POLL
 unsigned int sysctl_net_busy_read __read_mostly;
 unsigned int sysctl_net_busy_poll __read_mostly;
@@ -637,6 +639,16 @@ void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags)
 }
 EXPORT_SYMBOL(__sock_tx_timestamp);
 
+INDIRECT_CALLABLE_DECLARE(int inet_sendmsg(struct socket *, struct msghdr *,
+					   size_t));
+static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)
+{
+	int ret = INDIRECT_CALL_INET4(sock->ops->sendmsg, inet_sendmsg, sock,
+				      msg, msg_data_left(msg));
+	BUG_ON(ret == -EIOCBQUEUED);
+	return ret;
+}
+
 /**
  *	sock_sendmsg - send a message through @sock
  *	@sock: socket
@@ -645,14 +657,6 @@ EXPORT_SYMBOL(__sock_tx_timestamp);
  *	Sends @msg through @sock, passing through LSM.
  *	Returns the number of bytes sent, or an error code.
  */
-
-static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)
-{
-	int ret = sock->ops->sendmsg(sock, msg, msg_data_left(msg));
-	BUG_ON(ret == -EIOCBQUEUED);
-	return ret;
-}
-
 int sock_sendmsg(struct socket *sock, struct msghdr *msg)
 {
 	int err = security_socket_sendmsg(sock, msg,
@@ -865,6 +869,15 @@ void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
 }
 EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
 
+INDIRECT_CALLABLE_DECLARE(int inet_recvmsg(struct socket *, struct msghdr *,
+					   size_t , int ));
+static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
+				     int flags)
+{
+	return INDIRECT_CALL_INET4(sock->ops->recvmsg, inet_recvmsg, sock, msg,
+				   msg_data_left(msg), flags);
+}
+
 /**
  *	sock_recvmsg - receive a message from @sock
  *	@sock: socket
@@ -874,13 +887,6 @@ EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
  *	Receives @msg from @sock, passing through LSM. Returns the total number
  *	of bytes received, or an error.
  */
-
-static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
-				     int flags)
-{
-	return sock->ops->recvmsg(sock, msg, msg_data_left(msg), flags);
-}
-
 int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags)
 {
 	int err = security_socket_recvmsg(sock, msg, msg_data_left(msg), flags);
@@ -1164,6 +1170,26 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 
 			err = open_related_ns(&net->ns, get_net_ns);
 			break;
+		case SIOCGSTAMP_OLD:
+		case SIOCGSTAMPNS_OLD:
+			if (!sock->ops->gettstamp) {
+				err = -ENOIOCTLCMD;
+				break;
+			}
+			err = sock->ops->gettstamp(sock, argp,
+						   cmd == SIOCGSTAMP_OLD,
+						   !IS_ENABLED(CONFIG_64BIT));
+			break;
+		case SIOCGSTAMP_NEW:
+		case SIOCGSTAMPNS_NEW:
+			if (!sock->ops->gettstamp) {
+				err = -ENOIOCTLCMD;
+				break;
+			}
+			err = sock->ops->gettstamp(sock, argp,
+						   cmd == SIOCGSTAMP_NEW,
+						   false);
+			break;
 		default:
 			err = sock_do_ioctl(net, sock, cmd, arg);
 			break;
@@ -2916,38 +2942,6 @@ void socket_seq_show(struct seq_file *seq)
 #endif				/* CONFIG_PROC_FS */
 
 #ifdef CONFIG_COMPAT
-static int do_siocgstamp(struct net *net, struct socket *sock,
-			 unsigned int cmd, void __user *up)
-{
-	mm_segment_t old_fs = get_fs();
-	struct timeval ktv;
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
-	set_fs(old_fs);
-	if (!err)
-		err = compat_put_timeval(&ktv, up);
-
-	return err;
-}
-
-static int do_siocgstampns(struct net *net, struct socket *sock,
-			   unsigned int cmd, void __user *up)
-{
-	mm_segment_t old_fs = get_fs();
-	struct timespec kts;
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
-	set_fs(old_fs);
-	if (!err)
-		err = compat_put_timespec(&kts, up);
-
-	return err;
-}
-
 static int compat_dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
 {
 	struct compat_ifconf ifc32;
@@ -3347,10 +3341,13 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCADDRT:
 	case SIOCDELRT:
 		return routing_ioctl(net, sock, cmd, argp);
-	case SIOCGSTAMP:
-		return do_siocgstamp(net, sock, cmd, argp);
-	case SIOCGSTAMPNS:
-		return do_siocgstampns(net, sock, cmd, argp);
+	case SIOCGSTAMP_OLD:
+	case SIOCGSTAMPNS_OLD:
+		if (!sock->ops->gettstamp)
+			return -ENOIOCTLCMD;
+		return sock->ops->gettstamp(sock, argp, cmd == SIOCGSTAMP_OLD,
+					    !COMPAT_USE_64BIT_TIME);
+
 	case SIOCBONDSLAVEINFOQUERY:
 	case SIOCBONDINFOQUERY:
 	case SIOCSHWTSTAMP:
@@ -3368,6 +3365,8 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
 	case SIOCADDDLCI:
 	case SIOCDELDLCI:
 	case SIOCGSKNS:
+	case SIOCGSTAMP_NEW:
+	case SIOCGSTAMPNS_NEW:
 		return sock_ioctl(file, cmd, arg);
 
 	case SIOCGIFFLAGS: