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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: 6f428df47d ("libceph: pg_upmap[_items] infrastructure")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2017-07-07 16:14:45 +02:00
parent c2acfd95d0
commit f5cc689865
1 changed files with 1 additions and 1 deletions
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2
net/ceph/osdmap.c
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@ -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);