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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/net/batman-adv/icmp_socket.c
....@@ -1,19 +1,7 @@
11 // SPDX-License-Identifier: GPL-2.0
2
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
2
+/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
33  *
44  * Marek Lindner
5
- *
6
- * This program is free software; you can redistribute it and/or
7
- * modify it under the terms of version 2 of the GNU General Public
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- * License as published by the Free Software Foundation.
9
- *
10
- * This program is distributed in the hope that it will be useful, but
11
- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
15
- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
175  */
186 
197 #include "icmp_socket.h"
....@@ -47,6 +35,7 @@
4735 #include <linux/wait.h>
4836 #include <uapi/linux/batadv_packet.h>
4937 
38
+#include "debugfs.h"
5039 #include "hard-interface.h"
5140 #include "log.h"
5241 #include "originator.h"
....@@ -74,7 +63,9 @@
7463 	if (!try_module_get(THIS_MODULE))
7564 		return -EBUSY;
7665 
77
-	nonseekable_open(inode, file);
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+	batadv_debugfs_deprecated(file, "");
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+
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+	stream_open(inode, file);
7869 
7970 	socket_client = kmalloc(sizeof(*socket_client), GFP_KERNEL);
8071 	if (!socket_client) {
....@@ -143,9 +134,6 @@
143134 
144135 	if (!buf || count < sizeof(struct batadv_icmp_packet))
145136 		return -EINVAL;
146
-
147
-	if (!access_ok(VERIFY_WRITE, buf, count))
148
-		return -EFAULT;
149137 
150138 	error = wait_event_interruptible(socket_client->queue_wait,
151139 					 socket_client->queue_len);
....@@ -323,25 +311,11 @@
323311 /**
324312  * batadv_socket_setup() - Create debugfs "socket" file
325313  * @bat_priv: the bat priv with all the soft interface information
326
- *
327
- * Return: 0 on success or negative error number in case of failure
328314  */
329
-int batadv_socket_setup(struct batadv_priv *bat_priv)
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+void batadv_socket_setup(struct batadv_priv *bat_priv)
330316 {
331
-	struct dentry *d;
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-
333
-	if (!bat_priv->debug_dir)
334
-		goto err;
335
-
336
-	d = debugfs_create_file(BATADV_ICMP_SOCKET, 0600, bat_priv->debug_dir,
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-				bat_priv, &batadv_fops);
338
-	if (!d)
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-		goto err;
340
-
341
-	return 0;
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-
343
-err:
344
-	return -ENOMEM;
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+	debugfs_create_file(BATADV_ICMP_SOCKET, 0600, bat_priv->debug_dir,
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+			    bat_priv, &batadv_fops);
345319 }
346320 
347321 /**