[Intel-gfx] [PATCH 4/6] drm/i915: Improve dynamic management/eviction of lrc backing objects

[kbuild test robot]

Hi Nick,

[auto build test WARNING on next-20151020 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Nick-Hoath/lrc-lifecycle-cleanups/20151020-173347
config: i386-randconfig-x009-10191220 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/i915_gem_gtt.c: In function 'i915_vma_bind':
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3523:4: warning: ignoring return value of 'i915_vma_unbind', declared with attribute warn_unused_result [-Wunused-result]
       i915_vma_unbind(vma);
       ^

vim +/i915_vma_unbind +3523 drivers/gpu/drm/i915/i915_gem_gtt.c

  3507							 vma->node.start,
  3508							 vma->node.size);
  3509			vma->pin_count--;
  3510			if (ret)
  3511				return ret;
  3512		}
  3513	
  3514		ret = vma->vm->bind_vma(vma, cache_level, bind_flags);
  3515		if (ret)
  3516			return ret;
  3517	
  3518		vma->bound |= bind_flags;
  3519	
  3520		if (vma->obj->mmap) {
  3521			ret = vma->obj->mmap(vma->obj, false);
  3522			if (ret) {
> 3523				i915_vma_unbind(vma);
  3524				return ret;
  3525			}
  3526		}
  3527	
  3528		return 0;
  3529	}
  3530	
  3531	/**

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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