disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/iio/accel/mma9551_core.c
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@@ -1,15 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Common code for Freescale MMA955x Intelligent Sensor Platform drivers
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  * Copyright (c) 2014, Intel Corporation.
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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 and conditions 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 it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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  */
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 #include <linux/module.h>
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@@ -304,9 +296,12 @@
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 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_CONFIG,
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 			       reg, NULL, 0, (u8 *)&v, 2);
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+	if (ret < 0)
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+		return ret;
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+
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 	*val = be16_to_cpu(v);
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-	return ret;
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+	return 0;
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 }
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 EXPORT_SYMBOL(mma9551_read_config_word);
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@@ -362,9 +357,12 @@
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 	ret = mma9551_transfer(client, app_id, MMA9551_CMD_READ_STATUS,
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 			       reg, NULL, 0, (u8 *)&v, 2);
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+	if (ret < 0)
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+		return ret;
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+
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 	*val = be16_to_cpu(v);
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-	return ret;
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+	return 0;
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 }
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 EXPORT_SYMBOL(mma9551_read_status_word);
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