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path: root/drivers/infiniband/sw/rdmavt/qp.c
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Diffstat (limited to 'drivers/infiniband/sw/rdmavt/qp.c')
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 22df09ae809e..b0309876f4bb 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -412,7 +412,8 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
offset = qpt->incr | ((offset & 1) ^ 1);
}
/* there can be no set bits in low-order QoS bits */
- WARN_ON(offset & (BIT(rdi->dparms.qos_shift) - 1));
+ WARN_ON(rdi->dparms.qos_shift > 1 &&
+ offset & ((BIT(rdi->dparms.qos_shift - 1) - 1) << 1));
qpn = mk_qpn(qpt, map, offset);
}