diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 543ecdd8667b..0176caa5792c 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -369,8 +369,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) int err; mutex_lock(&cq->resize_mutex); - - if (entries < 1) { + if (entries < 1 || entries > dev->dev->caps.max_cqes) { err = -EINVAL; goto out; } @@ -381,7 +380,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) goto out; } - if (entries > dev->dev->caps.max_cqes) { + if (entries > dev->dev->caps.max_cqes + 1) { err = -EINVAL; goto out; } @@ -394,7 +393,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) /* Can't be smaller than the number of outstanding CQEs */ outst_cqe = mlx4_ib_get_outstanding_cqes(cq); if (entries < outst_cqe + 1) { - err = 0; + err = -EINVAL; goto out; } |