diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/cm.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index 80e59ed864b3..e0d79b2395e4 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -225,7 +225,7 @@ id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id) ret = idr_alloc(&sriov->pv_id_table, ent, next_id, 0, GFP_NOWAIT); if (ret >= 0) { - next_id = ((unsigned)ret + 1) & MAX_IDR_MASK; + next_id = max(ret + 1, 0); ent->pv_cm_id = (u32)ret; sl_id_map_add(ibdev, ent); list_add_tail(&ent->list, &sriov->cm_list); |