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SubjectRe: [PATCH] usb: gadget: r8a66597-udc: do not unlock unheld spinlock in r8a66597_sudmac_irq()

On Thu, May 30, 2013 at 12:51:37AM +0400, Alexey Khoroshilov wrote:
> r8a66597_irq() processes sudmac part (r8a66597_sudmac_irq()) before locking r8a66597->lock.
> But transfer_complete(), that is called inside (r8a66597_sudmac_irq()->sudmac_finish()->transfer_complete()),
> expects r8a66597->lock is locked. As a result unheld spinlock can be unlocked.
> The patch just moves locking before calling r8a66597_sudmac_irq().
> Found by Linux Driver Verification project (
> Signed-off-by: Alexey Khoroshilov <>

should this go to stable ? Looks like this bug has been there since

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