IPoIB: Remove priv->mcast_mutex

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / infiniband / ulp / ipoib / ipoib_verbs.c

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index 96f9aa79cbbe8ed47c8a51fdcebb911af25ffd0c..f50ebe0643ef0f5db3fc2307572cbaa267be6178 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -61,9 +61,7 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
        }
 
        /* attach QP to multicast group */
-       mutex_lock(&priv->mcast_mutex);
        ret = ib_attach_mcast(priv->qp, mgid, mlid);
-       mutex_unlock(&priv->mcast_mutex);
        if (ret)
                ipoib_warn(priv, "failed to attach to multicast group, ret = %d\n", ret);
 
@@ -77,9 +75,7 @@ int ipoib_mcast_detach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        int ret;
 
-       mutex_lock(&priv->mcast_mutex);
        ret = ib_detach_mcast(priv->qp, mgid, mlid);
-       mutex_unlock(&priv->mcast_mutex);
        if (ret)
                ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);