The dm_get_live_table() function makes RCU read lock and dm_put_live_table() should call even when dm_table map was not found.
Signed-off-by: Sergei Shtepa <[email protected]> --- drivers/md/dm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c18fc2548518..98866e725f25 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -476,8 +476,10 @@ static int dm_blk_report_zones(struct gendisk *disk, sector_t sector, return -EAGAIN; map = dm_get_live_table(md, &srcu_idx); - if (!map) - return -EIO; + if (!map) { + ret = -EIO; + goto out; + } do { struct dm_target *tgt; -- 2.20.1
