From: Dinghao Liu <dinghao.liu@xxxxxxxxxx> [ Upstream commit 751341b4d7841e2b76e78eec382c2e119165497f ] When dbBackSplit() fails, mp should be released to prevent memleak. It's the same when dbJoin() fails. Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> Signed-off-by: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/jfs/jfs_dmap.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 49263e220dbcf..071abfc8e3e50 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -2562,15 +2562,19 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level) */ if (oldval == NOFREE) { rc = dbBackSplit((dmtree_t *) dcp, leafno); - if (rc) + if (rc) { + release_metapage(mp); return rc; + } oldval = dcp->stree[ti]; } dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval); } else { rc = dbJoin((dmtree_t *) dcp, leafno, newval); - if (rc) + if (rc) { + release_metapage(mp); return rc; + } } /* check if the root of the current dmap control page changed due -- 2.27.0