IPoIB: Use spin_lock_irq() instead of spin_lock_irqsave()

We know ipoib_flush_paths() is called from plain process context with
interrupts enabled, since it does wait_for_completion().  So there's
no need to use spin_lock_irqsave() -- spin_lock_irq() is fine.

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

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 996c6e16a46d49ecc135a745ca65f003e0c5aeda..cb078a7d0bf5b86551adf812fbc93724883616f8 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -336,9 +336,8 @@ void ipoib_flush_paths(struct net_device *dev)
        struct ipoib_dev_priv *priv = netdev_priv(dev);
        struct ipoib_path *path, *tp;
        LIST_HEAD(remove_list);
-       unsigned long flags;
 
-       spin_lock_irqsave(&priv->lock, flags);
+       spin_lock_irq(&priv->lock);
 
        list_splice(&priv->path_list, &remove_list);
        INIT_LIST_HEAD(&priv->path_list);
@@ -349,12 +348,12 @@ void ipoib_flush_paths(struct net_device *dev)
        list_for_each_entry_safe(path, tp, &remove_list, list) {
                if (path->query)
                        ib_sa_cancel_query(path->query_id, path->query);
-               spin_unlock_irqrestore(&priv->lock, flags);
+               spin_unlock_irq(&priv->lock);
                wait_for_completion(&path->done);
                path_free(dev, path);
-               spin_lock_irqsave(&priv->lock, flags);
+               spin_lock_irq(&priv->lock);
        }
-       spin_unlock_irqrestore(&priv->lock, flags);
+       spin_unlock_irq(&priv->lock);
 }
 
 static void path_rec_completion(int status,