ixgb: recalculate after how many descriptors to wake the queue

[linux-2.6-omap-h63xx.git] / sound / core / seq / seq_device.c

diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c
index d812dc886360286ff2e609efe7e1850145bd646e..102ff548ce6931df6ec5e946c5df04138cb63734 100644 (file)
--- a/sound/core/seq/seq_device.c
+++ b/sound/core/seq/seq_device.c
@@ -372,14 +372,19 @@ static struct ops_list * create_driver(char *id)
 {
        struct ops_list *ops;
 
-       ops = kmalloc(sizeof(*ops), GFP_KERNEL);
+       ops = kzalloc(sizeof(*ops), GFP_KERNEL);
        if (ops == NULL)
                return ops;
-       memset(ops, 0, sizeof(*ops));
 
        /* set up driver entry */
        strlcpy(ops->id, id, sizeof(ops->id));
        mutex_init(&ops->reg_mutex);
+       /*
+        * The ->reg_mutex locking rules are per-driver, so we create
+        * separate per-driver lock classes:
+        */
+       lockdep_set_class(&ops->reg_mutex, (struct lock_class_key *)id);
+
        ops->driver = DRIVER_EMPTY;
        INIT_LIST_HEAD(&ops->dev_list);
        /* lock this instance */