On Fri, Oct 13, 2017 at 04:00:18PM +0200, Andrew Jones wrote: > On Fri, Oct 13, 2017 at 03:17:34PM +0200, Christoffer Dall wrote: > > We currently allocate an entry dynamically, but we never check if the > > allocation actually succeeded. We actually don't need a dynamic > > allocation, because we know the maximum size of an ITS table entry, so > > we can simply use an allocation on the stack. > > > > Cc: <stable@xxxxxxxxxxxxxxx> > > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > > --- > > virt/kvm/arm/vgic/vgic-its.c | 18 +++++++----------- > > 1 file changed, 7 insertions(+), 11 deletions(-) > > > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > > index f51c1e1..1d2668b 100644 > > --- a/virt/kvm/arm/vgic/vgic-its.c > > +++ b/virt/kvm/arm/vgic/vgic-its.c > > @@ -1801,37 +1801,33 @@ typedef int (*entry_fn_t)(struct vgic_its *its, u32 id, void *entry, > > static int scan_its_table(struct vgic_its *its, gpa_t base, int size, int esz, > > int start_id, entry_fn_t fn, void *opaque) > > { > > - void *entry = kzalloc(esz, GFP_KERNEL); > > struct kvm *kvm = its->dev->kvm; > > unsigned long len = size; > > int id = start_id; > > gpa_t gpa = base; > > + char entry[esz] > > Might want a semicolon here :-) > Duh, yeah, left out the '-a' in my 'git commit --amend'... Thanks! -Christoffer