Hi, (2013/05/30 8:58), Felipe Balbi wrote: > HI, > > 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 (linuxtesting.org). >> >> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> > > should this go to stable ? Looks like this bug has been there since > 2.6.32. > Because non SMP CPUs have sudmac for now, this may not go to stable, I think. Best regards, Yoshihiro Shimoda -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
