Call container_of after we have ensured that gadget is not NULL.
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/ci13xxx_udc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 9283ab0..7b03cf5 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -1629,7 +1629,8 @@ __acquires(mEp->lock)
static int _gadget_stop_activity(struct usb_gadget *gadget)
{
struct usb_ep *ep;
- struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
+ struct ci13xxx *udc;
+
unsigned long flags;
trace("%p", gadget);
@@ -1637,6 +1638,8 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
if (gadget == NULL)
return -EINVAL;
+ udc = container_of(gadget, struct ci13xxx, gadget);
+
spin_lock_irqsave(udc->lock, flags);
udc->gadget.speed = USB_SPEED_UNKNOWN;
udc->remote_wakeup = 0;
--
1.7.10
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