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authorDan Carpenter <error27@gmail.com>2010-07-19 20:30:14 +0000
committerRoland Dreier <rolandd@cisco.com>2010-07-21 10:57:25 -0700
commit3d4f9a28e0f543e2a633d54f0f37f6e81a7701cd (patch)
tree8bc818be7f388dd94437f4bfe61e0c42ad93782c /drivers/infiniband
parent589643be6693c46fbc54bae77745f336c8ed4bcc (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')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c4
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;
}