diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_keys.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_keys.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c index 970165b027f7..e9486c74c226 100644 --- a/drivers/infiniband/hw/qib/qib_keys.c +++ b/drivers/infiniband/hw/qib/qib_keys.c @@ -349,7 +349,9 @@ int qib_fast_reg_mr(struct qib_qp *qp, struct ib_send_wr *wr) if (pd->user || rkey == 0) goto bail; - mr = rkt->table[(rkey >> (32 - ib_qib_lkey_table_size))]; + mr = rcu_dereference_protected( + rkt->table[(rkey >> (32 - ib_qib_lkey_table_size))], + lockdep_is_held(&rkt->lock)); if (unlikely(mr == NULL || qp->ibqp.pd != mr->pd)) goto bail; |