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When debugfs_create_dir fails, sta_info_debugfs_add_work will not terminate because it will find the same station again and again. This is possible whenever debugfs fails for whatever reason; one reason is a race condition in mac80211, unfortunately we cannot do much about it, so just document it, it just means some station may be missing from debugfs. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Robin Holt <holt@sgi.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>