diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b52cba0f16d2..e0389ad1477d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -446,13 +446,16 @@ fast_shmem_write(struct page **pages, int length) { char __iomem *vaddr; + unsigned long unwritten; vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT], KM_USER0); if (vaddr == NULL) return -ENOMEM; - __copy_from_user_inatomic(vaddr + page_offset, data, length); + unwritten = __copy_from_user_inatomic(vaddr + page_offset, data, length); kunmap_atomic(vaddr, KM_USER0); + if (unwritten) + return -EFAULT; return 0; } @@ -1093,7 +1096,7 @@ i915_gem_create_mmap_offset(struct drm_gem_object *obj) struct drm_gem_mm *mm = dev->mm_private; struct drm_i915_gem_object *obj_priv = obj->driver_private; struct drm_map_list *list; - struct drm_map *map; + struct drm_local_map *map; int ret = 0; /* Set the object up for mmap'ing */ |