ceph: precede encoded ceph_pg_pool struct with version

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

1 files changed, 7 insertions, 1 deletions

diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index 0dbd606e21c4..a143c51c2cfb 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -414,6 +414,7 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
         struct ceph_osdmap *map;
         u16 version;
         u32 len, max, i;
+        u8 ev;
         int err = -EINVAL;
         void *start = *p;
 
@@ -441,10 +442,11 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
         }
         ceph_decode_32_safe(p, end, max, bad);
         while (max--) {
-                ceph_decode_need(p, end, 4+sizeof(map->pg_pool->v), bad);
+                ceph_decode_need(p, end, 4+1+sizeof(map->pg_pool->v), bad);
                 i = ceph_decode_32(p);
                 if (i >= map->num_pools)
                         goto bad;
+                ev = ceph_decode_8(p); /* encoding version */
                 ceph_decode_copy(p, &map->pg_pool[i].v,
                                  sizeof(map->pg_pool->v));
                 calc_pg_masks(&map->pg_pool[i]);
@@ -603,6 +605,8 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
         /* new_pool */
         ceph_decode_32_safe(p, end, len, bad);
         while (len--) {
+                __u8 ev;
+
                 ceph_decode_32_safe(p, end, pool, bad);
                 if (pool >= map->num_pools) {
                         void *pg_pool = kcalloc(pool + 1,
@@ -618,6 +622,8 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                         map->pg_pool = pg_pool;
                         map->num_pools = pool+1;
                 }
+                ceph_decode_need(p, end, 1 + sizeof(map->pg_pool->v), bad);
+                ev = ceph_decode_8(p);  /* encoding version */
                 ceph_decode_copy(p, &map->pg_pool[pool].v,
                                  sizeof(map->pg_pool->v));
                 calc_pg_masks(&map->pg_pool[pool]);