write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/input/keyboard/mcs_touchkey.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Touchkey driver for MELFAS MCS5000/5080 controller
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  *
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  * Copyright (C) 2010 Samsung Electronics Co.Ltd
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  * Author: HeungJun Kim <riverful.kim@samsung.com>
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  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
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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;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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 #include <linux/module.h>
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@@ -113,9 +109,8 @@
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 		return -EINVAL;
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 	}
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-	data = kzalloc(sizeof(struct mcs_touchkey_data) +
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-			sizeof(data->keycodes[0]) * (pdata->key_maxval + 1),
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-			GFP_KERNEL);
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+	data = kzalloc(struct_size(data, keycodes, pdata->key_maxval + 1),
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+		       GFP_KERNEL);
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 	input_dev = input_allocate_device();
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 	if (!data || !input_dev) {
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 		dev_err(&client->dev, "Failed to allocate memory\n");