修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/appletalk/atalk_proc.c
..
..
@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * 	atalk_proc.c - proc support for Appletalk
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  *
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  * 	Copyright(c) Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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- *
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- *	This program is free software; you can redistribute it and/or modify it
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- *	under the terms of the GNU General Public License as published by the
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- *	Free Software Foundation, version 2.
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  */
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7
 
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8
 #include <linux/init.h>
..
..
@@ -210,56 +207,36 @@
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207
 	.show   = atalk_seq_socket_show,
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 };
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209
 
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-static struct proc_dir_entry *atalk_proc_dir;
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-
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 int __init atalk_proc_init(void)
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 {
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-	struct proc_dir_entry *p;
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-	int rc = -ENOMEM;
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+	if (!proc_mkdir("atalk", init_net.proc_net))
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+		return -ENOMEM;
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214
 
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-	atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net);
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-	if (!atalk_proc_dir)
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+	if (!proc_create_seq("atalk/interface", 0444, init_net.proc_net,
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+			    &atalk_seq_interface_ops))
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 		goto out;
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-	p = proc_create_seq("interface", 0444, atalk_proc_dir,
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-			&atalk_seq_interface_ops);
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-	if (!p)
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-		goto out_interface;
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+	if (!proc_create_seq("atalk/route", 0444, init_net.proc_net,
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+			    &atalk_seq_route_ops))
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+		goto out;
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222
 
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-	p = proc_create_seq("route", 0444, atalk_proc_dir,
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-			&atalk_seq_route_ops);
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-	if (!p)
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-		goto out_route;
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+	if (!proc_create_seq("atalk/socket", 0444, init_net.proc_net,
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+			    &atalk_seq_socket_ops))
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+		goto out;
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-	p = proc_create_seq("socket", 0444, atalk_proc_dir,
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-			&atalk_seq_socket_ops);
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-	if (!p)
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-		goto out_socket;
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+	if (!proc_create_seq_private("atalk/arp", 0444, init_net.proc_net,
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+				     &aarp_seq_ops,
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+				     sizeof(struct aarp_iter_state), NULL))
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+		goto out;
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231
 
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-	p = proc_create_seq_private("arp", 0444, atalk_proc_dir, &aarp_seq_ops,
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-			sizeof(struct aarp_iter_state), NULL);
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-	if (!p)
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-		goto out_arp;
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+	return 0;
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233
 
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-	rc = 0;
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 out:
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-	return rc;
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-out_arp:
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-	remove_proc_entry("socket", atalk_proc_dir);
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-out_socket:
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-	remove_proc_entry("route", atalk_proc_dir);
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-out_route:
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-	remove_proc_entry("interface", atalk_proc_dir);
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-out_interface:
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-	remove_proc_entry("atalk", init_net.proc_net);
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-	goto out;
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+	remove_proc_subtree("atalk", init_net.proc_net);
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+	return -ENOMEM;
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237
 }
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238
 
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 void atalk_proc_exit(void)
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 {
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-	remove_proc_entry("interface", atalk_proc_dir);
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-	remove_proc_entry("route", atalk_proc_dir);
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-	remove_proc_entry("socket", atalk_proc_dir);
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-	remove_proc_entry("arp", atalk_proc_dir);
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-	remove_proc_entry("atalk", init_net.proc_net);
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+	remove_proc_subtree("atalk", init_net.proc_net);
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 }