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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-03-28 14:32:06 +0100 |
| commit | 32aca03c2ce868d3412da0bb6ce6798c7bea357e (patch) | |
| tree | 01630dc4a6935df99bf7d11d34ff8d384fed86e2 /drivers/usb/host/r8a66597-hcd.c | |
| parent | cfbbc7703fff59c67761c93a8b1de29a79f9841c (diff) | |
| parent | 60771fc402877163d07569addadcf18b86acb455 (diff) | |
Merge tag 'v4.9.166' into 4.9-2.3.x-imx
This is the 4.9.166 stable release
Diffstat (limited to 'drivers/usb/host/r8a66597-hcd.c')
| -rw-r--r-- | drivers/usb/host/r8a66597-hcd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 7bf78be1fd32..72c3ed76a77d 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1990,6 +1990,8 @@ static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, static void r8a66597_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *hep) +__acquires(r8a66597->lock) +__releases(r8a66597->lock) { struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv; @@ -2002,13 +2004,14 @@ static void r8a66597_endpoint_disable(struct usb_hcd *hcd, return; pipenum = pipe->info.pipenum; + spin_lock_irqsave(&r8a66597->lock, flags); if (pipenum == 0) { kfree(hep->hcpriv); hep->hcpriv = NULL; + spin_unlock_irqrestore(&r8a66597->lock, flags); return; } - spin_lock_irqsave(&r8a66597->lock, flags); pipe_stop(r8a66597, pipe); pipe_irq_disable(r8a66597, pipenum); disable_irq_empty(r8a66597, pipenum); |