RDMA: Use vzalloc() to replace vmalloc()+memset(0)

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index c1c49f2d35b5..93d55806b967 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -352,15 +352,13 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
         int ret;
         int i;
 
-        rx->rx_ring = vmalloc(ipoib_recvq_size * sizeof *rx->rx_ring);
+        rx->rx_ring = vzalloc(ipoib_recvq_size * sizeof *rx->rx_ring);
         if (!rx->rx_ring) {
                 printk(KERN_WARNING "%s: failed to allocate CM non-SRQ ring (%d entries)\n",
                        priv->ca->name, ipoib_recvq_size);
                 return -ENOMEM;
         }
 
-        memset(rx->rx_ring, 0, ipoib_recvq_size * sizeof *rx->rx_ring);
-
         t = kmalloc(sizeof *t, GFP_KERNEL);
         if (!t) {
                 ret = -ENOMEM;
@@ -1097,13 +1095,12 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
         struct ipoib_dev_priv *priv = netdev_priv(p->dev);
         int ret;
 
-        p->tx_ring = vmalloc(ipoib_sendq_size * sizeof *p->tx_ring);
+        p->tx_ring = vzalloc(ipoib_sendq_size * sizeof *p->tx_ring);
         if (!p->tx_ring) {
                 ipoib_warn(priv, "failed to allocate tx ring\n");
                 ret = -ENOMEM;
                 goto err_tx;
         }
-        memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring);
 
         p->qp = ipoib_cm_create_tx_qp(p->dev, p);
         if (IS_ERR(p->qp)) {
@@ -1521,7 +1518,7 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
                 return;
         }
 
-        priv->cm.srq_ring = vmalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring);
+        priv->cm.srq_ring = vzalloc(ipoib_recvq_size * sizeof *priv->cm.srq_ring);
         if (!priv->cm.srq_ring) {
                 printk(KERN_WARNING "%s: failed to allocate CM SRQ ring (%d entries)\n",
                        priv->ca->name, ipoib_recvq_size);
@@ -1530,7 +1527,6 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
                 return;
         }
 
-        memset(priv->cm.srq_ring, 0, ipoib_recvq_size * sizeof *priv->cm.srq_ring);
 }
 
 int ipoib_cm_dev_init(struct net_device *dev)