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/drivers/net/wireless/ti/wlcore/debugfs.h
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@@ -1,24 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * This file is part of wl1271
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  *
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  * Copyright (C) 2009 Nokia Corporation
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  *
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  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * 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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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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- * 02110-1301 USA
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- *
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  */
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 #ifndef __DEBUGFS_H__
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@@ -53,19 +39,15 @@
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 #define DEBUGFS_ADD(name, parent)					\
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 	do {								\
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-		entry = debugfs_create_file(#name, 0400, parent,	\
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-					    wl, &name## _ops);		\
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-		if (!entry || IS_ERR(entry))				\
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-			goto err;					\
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+		debugfs_create_file(#name, 0400, parent,		\
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+				    wl, &name## _ops);			\
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 	} while (0)
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45
 
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 #define DEBUGFS_ADD_PREFIX(prefix, name, parent)			\
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 	do {								\
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-		entry = debugfs_create_file(#name, 0400, parent,	\
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+		debugfs_create_file(#name, 0400, parent,		\
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 				    wl, &prefix## _## name## _ops);	\
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-		if (!entry || IS_ERR(entry))				\
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-			goto err;					\
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 	} while (0)
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 #define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type)		\
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@@ -96,13 +78,14 @@
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 	struct wl1271 *wl = file->private_data;				\
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 	struct struct_type *stats = wl->stats.fw_stats;			\
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 	char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = "";			\
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-	int res, i;							\
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+	int pos = 0;							\
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+	int i;								\
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 									\
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 	wl1271_debugfs_update_stats(wl);				\
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 									\
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-	for (i = 0; i < len; i++)					\
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-		res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n",	\
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-			       buf, i, stats->sub.name[i]);		\
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+	for (i = 0; i < len && pos < sizeof(buf); i++)			\
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+		pos += snprintf(buf + pos, sizeof(buf) - pos,		\
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+			 "[%d] = %d\n", i, stats->sub.name[i]);		\
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 									\
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 	return wl1271_format_buffer(userbuf, count, ppos, "%s", buf);	\
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 }									\