ceph: fix incremental osdmap pg_temp decoding bug

An incremental pg_temp wasn't being decoded properly (wrong bound on
for loop).

Also remove unused local variable, while we're at it.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index a9416308de6f..0dbd606e21c4 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -538,7 +538,6 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                                              struct ceph_osdmap *map,
                                              struct ceph_messenger *msgr)
 {
-        struct ceph_osdmap *newmap = map;
         struct crush_map *newcrush = NULL;
         struct ceph_fsid fsid;
         u32 epoch = 0;
@@ -701,7 +700,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                         }
                         pg->pgid = pgid;
                         pg->len = pglen;
-                        for (j = 0; j < len; j++)
+                        for (j = 0; j < pglen; j++)
                                 pg->osds[j] = ceph_decode_32(p);
                         err = __insert_pg_mapping(pg, &map->pg_temp);
                         if (err)