Bluetooth: Create per controller workqueue

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / hci_core.c

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 904f1e8a7a3bb08f5cd6273dc0892f9d137c62d2..5e83f8e0877a73b7712ce1a88f2e3002a5cd6f3d 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -37,6 +37,7 @@
 #include <linux/fcntl.h>
 #include <linux/init.h>
 #include <linux/skbuff.h>
+#include <linux/workqueue.h>
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 #include <linux/rfkill.h>
@@ -928,6 +929,10 @@ int hci_register_dev(struct hci_dev *hdev)
 
        write_unlock_bh(&hci_dev_list_lock);
 
+       hdev->workqueue = create_singlethread_workqueue(hdev->name);
+       if (!hdev->workqueue)
+               goto nomem;
+
        hci_register_sysfs(hdev);
 
        hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
@@ -942,6 +947,13 @@ int hci_register_dev(struct hci_dev *hdev)
        hci_notify(hdev, HCI_DEV_REG);
 
        return id;
+
+nomem:
+       write_lock_bh(&hci_dev_list_lock);
+       list_del(&hdev->list);
+       write_unlock_bh(&hci_dev_list_lock);
+
+       return -ENOMEM;
 }
 EXPORT_SYMBOL(hci_register_dev);
 
@@ -970,6 +982,8 @@ int hci_unregister_dev(struct hci_dev *hdev)
 
        hci_unregister_sysfs(hdev);
 
+       destroy_workqueue(hdev->workqueue);
+
        __hci_dev_put(hdev);
 
        return 0;