xive: Don't assert if xive_get_vp() fails
Just return NULL to the caller
@@ -764,7 +764,8 @@ static struct xive_vp *xive_get_vp(struct xive *x, unsigned int idx)
assert(idx < (x->vp_ind_count * VP_PER_PAGE));
p = (struct xive_vp *)(x->vp_ind_base[idx / VP_PER_PAGE] &
VSD_ADDRESS_MASK);
- assert(p);
+ if (!p)
+ return NULL;
return &p[idx % VP_PER_PAGE];
#else
