The dm_get_live_table() function makes RCU read lock anddm_put_live_table() should call even when dm_table map was not found.Sergei Shtepa (1): Fix bug with RCU locking in dm_blk_report_zones(). drivers/md/dm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)-- 2.20.1