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-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index e5dc2a0..fde442a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -437,9 +437,11 @@ static void ipoib_mcast_join_complete(int status,
if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
+ mutex_lock(&mcast_mutex);
+
+ spin_lock_irq(&priv->lock);
mcast->query = NULL;
- mutex_lock(&mcast_mutex);
if (test_bit(IPOIB_MCAST_RUN, &priv->flags)) {
if (status == -ETIMEDOUT)
queue_work(ipoib_workqueue, &priv->mcast_task);
@@ -448,6 +450,7 @@ static void ipoib_mcast_join_complete(int status,
mcast->backoff * HZ);
} else
complete(&mcast->done);
+ spin_unlock_irq(&priv->lock);
mutex_unlock(&mcast_mutex);
return;
@@ -635,21 +638,27 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
if (flush)
flush_workqueue(ipoib_workqueue);
+ spin_lock_irq(&priv->lock);
if (priv->broadcast && priv->broadcast->query) {
ib_sa_cancel_query(priv->broadcast->query_id, priv->broadcast->query);
priv->broadcast->query = NULL;
+ spin_unlock_irq(&priv->lock);
ipoib_dbg_mcast(priv, "waiting for bcast\n");
wait_for_completion(&priv->broadcast->done);
- }
+ } else
+ spin_unlock_irq(&priv->lock);
list_for_each_entry(mcast, &priv->multicast_list, list) {
+ spin_lock_irq(&priv->lock);
if (mcast->query) {
ib_sa_cancel_query(mcast->query_id, mcast->query);
mcast->query = NULL;
+ spin_unlock_irq(&priv->lock);
ipoib_dbg_mcast(priv, "waiting for MGID " IPOIB_GID_FMT "\n",
IPOIB_GID_ARG(mcast->mcmember.mgid));
wait_for_completion(&mcast->done);
- }
+ } else
+ spin_unlock_irq(&priv->lock);
}
return 0;