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-rw-r--r--drivers/gpu/drm/i915/i915_gem.c29
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;
}
}