<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def clean_bucket_name(self):
 """Validates that the bucket name in the provided data matches the bucket name from the storage backend."""

        bucket_name = self.cleaned_data['bucket_name']
        if not bucket_name == self.get_bucket_name():
            raise forms.ValidationError('Bucket name does not validate.')
        return bucket_name