[gvt-linux:topic/gvt-xengt 26/33] drivers/gpu/drm/i915/gvt/migrate.c:446: error: type defaults to 'int' in declaration of 'type name'

[kbuild test robot]

tree:   https://github.com/01org/gvt-linux.git topic/gvt-xengt
head:   c21e6a1b6a2c0226a2cb6a101223e53bf73a6edc
commit: 879aa5019106467a2993d89587c6026d27436e80 [26/33] drm/i915/gvt: Implement vGPU status save and restore through new VFIO subregion VFIO_REGION_SUBTYPE_DEVICE_STATE
config: x86_64-randconfig-a0-11071621 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout 879aa5019106467a2993d89587c6026d27436e80
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the gvt-linux/topic/gvt-xengt HEAD c21e6a1b6a2c0226a2cb6a101223e53bf73a6edc builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/gvt/migrate.c: In function 'workload_save':
   drivers/gpu/drm/i915/gvt/migrate.c:446: error: 'struct intel_vgpu' has no member named 'workload_q_head'
   drivers/gpu/drm/i915/gvt/migrate.c:446: error: 'struct intel_vgpu' has no member named 'workload_q_head'
>> drivers/gpu/drm/i915/gvt/migrate.c:446: error: type defaults to 'int' in declaration of 'type name'
   drivers/gpu/drm/i915/gvt/migrate.c:446: error: 'struct intel_vgpu' has no member named 'workload_q_head'
>> drivers/gpu/drm/i915/gvt/migrate.c:446: error: type defaults to 'int' in declaration of 'type name'
   drivers/gpu/drm/i915/gvt/migrate.c:446: error: 'struct intel_vgpu' has no member named 'workload_q_head'

vim +446 drivers/gpu/drm/i915/gvt/migrate.c

   431	
   432	static int workload_save(const struct gvt_migration_obj_t *obj)
   433	{
   434		struct intel_vgpu *vgpu = (struct intel_vgpu *) obj->vgpu;
   435		struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
   436		struct gvt_region_t region;
   437		struct intel_engine_cs *engine;
   438		struct intel_vgpu_workload *pos, *n;
   439		unsigned int i;
   440		struct gvt_pending_workload_t workload;
   441		void *des = obj->img + obj->offset;
   442		unsigned int num = 0;
   443		u32 sz = sizeof(struct gvt_pending_workload_t);
   444	
   445		for_each_engine(engine, dev_priv, i) {
 > 446			list_for_each_entry_safe(pos, n,
   447				&vgpu->workload_q_head[engine->id], list) {
   448				workload.ring_id = pos->ring_id;
   449				memcpy(&workload.elsp_dwords, &pos->elsp_dwords,
   450					sizeof(struct intel_vgpu_elsp_dwords));
   451				memcpy(des + sizeof(struct gvt_region_t) + (num * sz),
   452					&workload, sz);
   453				num++;
   454			}
   455		}
   456	
   457		region.type = GVT_MIGRATION_WORKLOAD;
   458		region.size = num * sz;
   459		memcpy(des, &region, sizeof(struct gvt_region_t));
   460	
   461		return sizeof(struct gvt_region_t) + region.size;
   462	}
   463	

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