usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 28abda14c5e2..714f99faa14a 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -1545,8 +1545,10 @@ max3421_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
         if (!max3421_ep) {
                 /* gets freed in max3421_endpoint_disable: */
                 max3421_ep = kzalloc(sizeof(struct max3421_ep), mem_flags);
-                if (!max3421_ep)
-                        return -ENOMEM;
+                if (!max3421_ep) {
+                        retval = -ENOMEM;
+                        goto out;
+                }
                 max3421_ep->ep = urb->ep;
                 max3421_ep->last_active = max3421_hcd->frame_number;
                 urb->ep->hcpriv = max3421_ep;
@@ -1561,6 +1563,7 @@ max3421_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
                 wake_up_process(max3421_hcd->spi_thread);
         }
 
+out:
         spin_unlock_irqrestore(&max3421_hcd->lock, flags);
         return retval;
 }