debugfs: document that debugfs_remove*() accepts NULL and error values
According to commit a59d6293e5
("debugfs: change parameter check in
debugfs_remove() functions"), this is meant to make cleanup easier for
callers. In that case it ought to be documented.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -533,7 +533,8 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
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/**
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* debugfs_remove - removes a file or directory from the debugfs filesystem
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* @dentry: a pointer to a the dentry of the file or directory to be
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* removed.
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* removed. If this parameter is NULL or an error value, nothing
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* will be done.
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*
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* This function removes a file or directory in debugfs that was previously
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* created with a call to another debugfs function (like
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@ -565,7 +566,8 @@ EXPORT_SYMBOL_GPL(debugfs_remove);
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/**
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* debugfs_remove_recursive - recursively removes a directory
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* @dentry: a pointer to a the dentry of the directory to be removed.
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* @dentry: a pointer to a the dentry of the directory to be removed. If this
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* parameter is NULL or an error value, nothing will be done.
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*
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* This function recursively removes a directory tree in debugfs that
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* was previously created with a call to another debugfs function
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