From 00c5aa178a5ba217a4143f8a5f70630550a87600 Mon Sep 17 00:00:00 2001 From: David Mosberger-Tang Date: Wed, 28 May 2014 16:09:16 -0600 Subject: [PATCH] usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue() Reported-by: Dan Carpenter Signed-off-by: David Mosberger Signed-off-by: Greg Kroah-Hartman --- 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 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; }