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>
This commit is contained in:
Dan Carpenter 2010-07-19 20:30:14 +00:00 коммит произвёл Roland Dreier
Родитель 589643be66
Коммит 3d4f9a28e0
1 изменённых файлов: 2 добавлений и 2 удалений

Просмотреть файл

@ -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;
}