diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4755ba41bfef..6129b7b4f1a5 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1200,26 +1200,21 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_lock(&dev->struct_mutex); if (!obj_priv->gtt_space) { ret = i915_gem_object_bind_to_gtt(obj, 0); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return VM_FAULT_SIGBUS; - } + if (ret) + goto unlock; + list_add_tail(&obj_priv->list, &dev_priv->mm.inactive_list); ret = i915_gem_object_set_to_gtt_domain(obj, write); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return VM_FAULT_SIGBUS; - } + if (ret) + goto unlock; } /* Need a new fence register? */ if (obj_priv->tiling_mode != I915_TILING_NONE) { ret = i915_gem_object_get_fence_reg(obj); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return VM_FAULT_SIGBUS; - } + if (ret) + goto unlock; } pfn = ((dev->agp->base + obj_priv->gtt_offset) >> PAGE_SHIFT) + @@ -1227,18 +1222,18 @@ int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) /* Finally, remap it using the new GTT offset */ ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); - +unlock: mutex_unlock(&dev->struct_mutex); switch (ret) { + case 0: + case -ERESTARTSYS: + return VM_FAULT_NOPAGE; case -ENOMEM: case -EAGAIN: return VM_FAULT_OOM; - case -EFAULT: - case -EINVAL: - return VM_FAULT_SIGBUS; default: - return VM_FAULT_NOPAGE; + return VM_FAULT_SIGBUS; } } |