diff options
| -rw-r--r-- | fs/ceph/osdmap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c index 8c994c714781..be5318aa7714 100644 --- a/fs/ceph/osdmap.c +++ b/fs/ceph/osdmap.c @@ -868,6 +868,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, ps = le16_to_cpu(pgid.ps); preferred = (s16)le16_to_cpu(pgid.preferred); + /* don't forcefeed bad device ids to crush */ + if (preferred >= osdmap->max_osd || + preferred >= osdmap->crush->max_devices) + preferred = -1; + if (poolid >= osdmap->num_pools) return NULL; pool = &osdmap->pg_pool[poolid]; |
