libceph: use alloc_pg_mapping() in __decode_pg_upmap_items()
... otherwise we die in insert_pg_mapping(), which wants pg->node to be
empty, i.e. initialized with RB_CLEAR_NODE.
Fixes: 6f428df47dae ("libceph: pg_upmap[_items] infrastructure")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 48e0ff8..64ae9f8 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1400,7 +1400,7 @@
return ERR_PTR(-EINVAL);
ceph_decode_need(p, end, 2 * len * sizeof(u32), e_inval);
- pg = kzalloc(sizeof(*pg) + 2 * len * sizeof(u32), GFP_NOIO);
+ pg = alloc_pg_mapping(2 * len * sizeof(u32));
if (!pg)
return ERR_PTR(-ENOMEM);