From 751341b4d7841e2b76e78eec382c2e119165497f Mon Sep 17 00:00:00 2001 From: Dinghao Liu Date: Thu, 27 Aug 2020 15:12:38 +0800 Subject: jfs: Fix memleak in dbAdjCtl When dbBackSplit() fails, mp should be released to prevent memleak. It's the same when dbJoin() fails. Signed-off-by: Dinghao Liu Signed-off-by: Dave Kleikamp --- fs/jfs/jfs_dmap.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'fs/jfs/jfs_dmap.c') diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index dc02c7faf01f..94b7c1cb5ceb 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -2549,15 +2549,19 @@ 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 -- cgit v1.2.3