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| author | Ilya Dryomov <idryomov@gmail.com> | 2017-07-24 15:49:52 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2017-08-01 16:46:44 +0200 |
| commit | c7ed1a4bf4b446317eefa0f4916d94b1f6d3ada5 (patch) | |
| tree | 7ec262c80b210ea5deefcc682c5c5dec03f7650a | |
| parent | e17e8969f5c59a10083af5e260bdad6026872203 (diff) | |
| download | linux-c7ed1a4bf4b446317eefa0f4916d94b1f6d3ada5.tar.bz2 | |
crush: assume weight_set != null imples weight_set_size > 0
Reflects ceph.git commit 5e8fa3e06b68fae1582c9230a3a8d1abc6146286.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
| -rw-r--r-- | net/ceph/crush/mapper.c | 2 | ||||
| -rw-r--r-- | net/ceph/osdmap.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 746b145bfd11..417df675c71b 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -306,7 +306,7 @@ static __u32 *get_choose_arg_weights(const struct crush_bucket_straw2 *bucket, const struct crush_choose_arg *arg, int position) { - if (!arg || !arg->weight_set || arg->weight_set_size == 0) + if (!arg || !arg->weight_set) return bucket->item_weights; if (position >= arg->weight_set_size) diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index eb57a06373ca..2586e5546143 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -295,6 +295,10 @@ static int decode_choose_args(void **p, void *end, struct crush_map *c) ret = decode_choose_arg(p, end, arg); if (ret) goto fail; + + if (arg->ids_size && + arg->ids_size != c->buckets[bucket_index]->size) + goto e_inval; } insert_choose_arg_map(&c->choose_args, arg_map); |