1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6fe54db8f33c..fba37e9f775d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3367,6 +3367,16 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
                 }
 
                 /* Validate that the target is in a valid r/w GPU domain */
+                if (reloc->write_domain & (reloc->write_domain - 1)) {
+                        DRM_ERROR("reloc with multiple write domains: "
+                                  "obj %p target %d offset %d "
+                                  "read %08x write %08x",
+                                  obj, reloc->target_handle,
+                                  (int) reloc->offset,
+                                  reloc->read_domains,
+                                  reloc->write_domain);
+                        return -EINVAL;
+                }
                 if (reloc->write_domain & I915_GEM_DOMAIN_CPU ||
                     reloc->read_domains & I915_GEM_DOMAIN_CPU) {
                         DRM_ERROR("reloc with read/write CPU domains: "