From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Gruenbacher Date: Mon, 30 Jul 2018 14:33:51 +0200 Subject: [Cluster-devel] [PATCH 1/3] gfs2: Don't depend on mp_aheight in clone_metapath Message-ID: <20180730123353.15815-1-agruenba@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Signed-off-by: Andreas Gruenbacher --- fs/gfs2/bmap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 03128ed1f34e..a564cf0b7221 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -294,8 +294,11 @@ static void clone_metapath(struct metapath *clone, struct metapath *mp) unsigned int hgt; *clone = *mp; - for (hgt = 0; hgt < mp->mp_aheight; hgt++) + for (hgt = 0; hgt < GFS2_MAX_META_HEIGHT; hgt++) { + if (mp->mp_bh[hgt] == NULL) + break; get_bh(clone->mp_bh[hgt]); + } } static void gfs2_metapath_ra(struct gfs2_glock *gl, __be64 *start, __be64 *end) -- 2.17.1