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: 6f428df4 ("libceph: pg_upmap[_items] infrastructure")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

parent c2acfd95

net/ceph/osdmap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1400,7 +1400,7 @@ static struct ceph_pg_mapping __decode_pg_upmap_items(void p, void end,
		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);