On Thu, May 18, 2017 at 03:58:31PM +0200, Greg Kurz wrote: > If we go that far on the path of hot-removing a core and we find out that > the core-id is invalid, then we have a serious bug. > > Let's make it explicit with an assert() instead of dereferencing a NULL > pointer. > > This fixes Coverity issue CID 1375404. > > Signed-off-by: Greg Kurz <gr...@kaod.org>
Merged to ppc-for-2.10. > --- > hw/ppc/spapr.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c > index 0980d733cd7a..1c5b814fc0bf 100644 > --- a/hw/ppc/spapr.c > +++ b/hw/ppc/spapr.c > @@ -2715,6 +2715,7 @@ static void spapr_core_unplug(HotplugHandler > *hotplug_dev, DeviceState *dev, > CPUCore *cc = CPU_CORE(dev); > CPUArchId *core_slot = spapr_find_cpu_slot(ms, cc->core_id, NULL); > > + assert(core_slot); > core_slot->cpu = NULL; > object_unparent(OBJECT(dev)); > } > -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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