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Diffstat (limited to 'net')
-rw-r--r--net/ceph/osdmap.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 430076ee938..7fbe21030f5 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -613,10 +613,12 @@ 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 + 1 + sizeof(pi->v), bad);
+ err = -ENOMEM;
pi = kzalloc(sizeof(*pi), GFP_NOFS);
if (!pi)
goto bad;
pi->id = ceph_decode_32(p);
+ err = -EINVAL;
ev = ceph_decode_8(p); /* encoding version */
if (ev > CEPH_PG_POOL_VERSION) {
pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
@@ -632,8 +634,13 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
__insert_pg_pool(&map->pg_pools, pi);
}
- if (version >= 5 && __decode_pool_names(p, end, map) < 0)
- goto bad;
+ if (version >= 5) {
+ err = __decode_pool_names(p, end, map);
+ if (err < 0) {
+ dout("fail to decode pool names");
+ goto bad;
+ }
+ }
ceph_decode_32_safe(p, end, map->pool_max, bad);
@@ -713,7 +720,7 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
return map;
bad:
- dout("osdmap_decode fail\n");
+ dout("osdmap_decode fail err %d\n", err);
ceph_osdmap_destroy(map);
return ERR_PTR(err);
}
@@ -807,6 +814,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
if (ev > CEPH_PG_POOL_VERSION) {
pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
ev, CEPH_PG_POOL_VERSION);
+ err = -EINVAL;
goto bad;
}
pi = __lookup_pg_pool(&map->pg_pools, pool);
@@ -823,8 +831,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
if (err < 0)
goto bad;
}
- if (version >= 5 && __decode_pool_names(p, end, map) < 0)
- goto bad;
+ if (version >= 5) {
+ err = __decode_pool_names(p, end, map);
+ if (err < 0)
+ goto bad;
+ }
/* old_pool */
ceph_decode_32_safe(p, end, len, bad);
@@ -900,15 +911,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
(void) __remove_pg_mapping(&map->pg_temp, pgid);
/* insert */
- if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) {
- err = -EINVAL;
+ err = -EINVAL;
+ if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32))
goto bad;
- }
+ err = -ENOMEM;
pg = kmalloc(sizeof(*pg) + sizeof(u32)*pglen, GFP_NOFS);
- if (!pg) {
- err = -ENOMEM;
+ if (!pg)
goto bad;
- }
pg->pgid = pgid;
pg->len = pglen;
for (j = 0; j < pglen; j++)