diff options
| author | Dan Carpenter <error27@gmail.com> | 2010-07-19 20:30:14 +0000 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2010-07-21 10:57:25 -0700 |
| commit | 3d4f9a28e0f543e2a633d54f0f37f6e81a7701cd (patch) | |
| tree | 8bc818be7f388dd94437f4bfe61e0c42ad93782c /drivers/infiniband/hw | |
| parent | 589643be6693c46fbc54bae77745f336c8ed4bcc (diff) | |
RDMA/cxgb3: Clean up signed check of unsigned variable
Q_FREECNT() returns the number of spaces free. This should never be a
negative amount. Also the num_wrs is an unsigned int so it can never
be less than zero.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch_qp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index ae47bfd22bd5..6adc13fc1e4c 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -371,7 +371,7 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr, qhp->wq.sq_size_log2); - if (num_wrs <= 0) { + if (num_wrs == 0) { spin_unlock_irqrestore(&qhp->lock, flag); err = -ENOMEM; goto out; @@ -554,7 +554,7 @@ int iwch_bind_mw(struct ib_qp *qp, } num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr, qhp->wq.sq_size_log2); - if ((num_wrs) <= 0) { + if (num_wrs == 0) { spin_unlock_irqrestore(&qhp->lock, flag); return -ENOMEM; } |