diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_phys.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_phys.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index 68453572275b..76efe98eaa14 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -28,6 +28,10 @@ static int i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) void *dst; int i; + /* Contiguous chunk, with a single scatterlist element */ + if (overflows_type(obj->base.size, sg->length)) + return -E2BIG; + if (GEM_WARN_ON(i915_gem_object_needs_bit17_swizzle(obj))) return -EINVAL; |