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/marvell/mwifiex/debugfs.c
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@@ -1,10 +1,10 @@
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 /*
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- * Marvell Wireless LAN device driver: debugfs
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+ * NXP Wireless LAN device driver: debugfs
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  *
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- * Copyright (C) 2011-2014, Marvell International Ltd.
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+ * Copyright 2011-2020 NXP
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  *
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- * This software file (the "File") is distributed by Marvell International
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- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
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+ * This software file (the "File") is distributed by NXP
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+ * under the terms of the GNU General Public License Version 2, June 1991
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  * (the "License").  You may use, redistribute and/or modify this File in
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  * accordance with the terms and conditions of the License, a copy of which
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  * is available by writing to the Free Software Foundation, Inc.,
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@@ -265,8 +265,11 @@
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 	if (!p)
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 		return -ENOMEM;
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-	if (!priv || !priv->hist_data)
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-		return -EFAULT;
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+	if (!priv || !priv->hist_data) {
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+		ret = -EFAULT;
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+		goto free_and_exit;
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+	}
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+
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 	phist_data = priv->hist_data;
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 	p += sprintf(p, "\n"
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@@ -321,6 +324,8 @@
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 	ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page,
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 				      (unsigned long)p - page);
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+free_and_exit:
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+	free_page(page);
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 	return ret;
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 }
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@@ -922,9 +927,8 @@
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 }
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 #define MWIFIEX_DFS_ADD_FILE(name) do {                                 \
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-	if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir,        \
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-			priv, &mwifiex_dfs_##name##_fops))              \
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-		return;                                                 \
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+	debugfs_create_file(#name, 0644, priv->dfs_dev_dir, priv,       \
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+			    &mwifiex_dfs_##name##_fops);                \
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 } while (0);
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 #define MWIFIEX_DFS_FILE_OPS(name)                                      \