Am 30.01.2012 23:29, schrieb Alexander Graf:
> bdrv_aio_cancel() can trigger bdrv_aio_flush() which makes all aio
> that is currently in flight finish. So what we do is:
>
> port reset
> detect ncq in flight
> cancel ncq
> delete ncq sg list
>
> at which point we have double freed the sg
bdrv_aio_cancel() can trigger bdrv_aio_flush() which makes all aio
that is currently in flight finish. So what we do is:
port reset
detect ncq in flight
cancel ncq
delete ncq sg list
at which point we have double freed the sg list. Instead, with this
patch we do:
port reset
detect nc
