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

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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>
This commit is contained in:
David Mosberger-Tang 2014-05-28 16:09:16 -06:00 committed by Greg Kroah-Hartman
parent ff1fcd50bc
commit 00c5aa178a
1 changed files with 5 additions and 2 deletions
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7
drivers/usb/host/max3421-hcd.c
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@ -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;
}