[git patch review 5/5] [IPoIB] cleanups: fix comment, remove useless variables

[Roland Dreier <rolandd@cisco.com>]

Minor cleanups: fix a misleading comment, and get rid of attr_mask
variables that are only used to hold constants (just use the constants
directly).

Signed-off-by: Roland Dreier <rolandd@cisco.com>

---

 drivers/infiniband/ulp/ipoib/ipoib_ib.c    |   12 ++++++------
 drivers/infiniband/ulp/ipoib/ipoib_verbs.c |    4 +---
 2 files changed, 7 insertions(+), 9 deletions(-)

applies-to: c29760bafd7107252389712965ad7e4ed0791a82
3bc12e75b23c0499cc2c0873a5f77494be173761
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 192fef8..0a6f578 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -486,15 +486,16 @@ int ipoib_ib_dev_stop(struct net_device 
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ib_qp_attr qp_attr;
-	int attr_mask;
 	unsigned long begin;
 	struct ipoib_tx_buf *tx_req;
 	int i;
 
-	/* Kill the existing QP and allocate a new one */
+	/*
+	 * Move our QP to the error state and then reinitialize in
+	 * when all work requests have completed or have been flushed.
+	 */
 	qp_attr.qp_state = IB_QPS_ERR;
-	attr_mask        = IB_QP_STATE;
-	if (ib_modify_qp(priv->qp, &qp_attr, attr_mask))
+	if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
 		ipoib_warn(priv, "Failed to modify QP to ERROR state\n");
 
 	/* Wait for all sends and receives to complete */
@@ -541,8 +542,7 @@ int ipoib_ib_dev_stop(struct net_device 
 
 timeout:
 	qp_attr.qp_state = IB_QPS_RESET;
-	attr_mask        = IB_QP_STATE;
-	if (ib_modify_qp(priv->qp, &qp_attr, attr_mask))
+	if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
 		ipoib_warn(priv, "Failed to modify QP to RESET state\n");
 
 	/* Wait for all AHs to be reaped */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index b5902a7..e829e10 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -41,7 +41,6 @@ int ipoib_mcast_attach(struct net_device
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ib_qp_attr *qp_attr;
-	int attr_mask;
 	int ret;
 	u16 pkey_index;
 
@@ -59,8 +58,7 @@ int ipoib_mcast_attach(struct net_device
 
 	/* set correct QKey for QP */
 	qp_attr->qkey = priv->qkey;
-	attr_mask = IB_QP_QKEY;
-	ret = ib_modify_qp(priv->qp, qp_attr, attr_mask);
+	ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
 	if (ret) {
 		ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
 		goto out;
---
0.99.9
-
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