diff options
| -rw-r--r-- | drivers/usb/gadget/composite.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 024bba4345ed..e83078379b37 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2,7 +2,7 @@ * composite.c - infrastructure for Composite USB Gadgets * * Copyright (C) 2006-2008 David Brownell - * Copyright (c) 2013 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2015 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -1520,6 +1520,9 @@ void composite_disconnect(struct usb_gadget *gadget) /* REVISIT: should we have config and device level * disconnect callbacks? */ + if (!cdev) + return; + spin_lock_irqsave(&cdev->lock, flags); if (cdev->config) reset_config(cdev); |