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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/iio/industrialio-sw-trigger.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * The Industrial I/O core, software trigger functions
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  *
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  * Copyright (c) 2015 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 of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -61,8 +58,12 @@
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 	t->group = configfs_register_default_group(iio_triggers_group, t->name,
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 						&iio_trigger_type_group_type);
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-	if (IS_ERR(t->group))
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+	if (IS_ERR(t->group)) {
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+		mutex_lock(&iio_trigger_types_lock);
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+		list_del(&t->list);
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+		mutex_unlock(&iio_trigger_types_lock);
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 		ret = PTR_ERR(t->group);
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+	}
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 	return ret;
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 }