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

[David Mosberger]

From: David Mosberger-Tang <dav...@egauge.net>

Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: David Mosberger <dav...@egauge.net>
---
 drivers/usb/host/max3421-hcd.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 28abda1..714f99f 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;
 }
-- 
1.9.1

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