Merge remote branch 'korg/drm-core-next' into drm-next-stage

[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 11daa618385fb454cbf272efe509d20147697c0f..9d87d5a41bdcb96dc357b93a4ea541e233031fa5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -128,9 +128,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
                return -ENOMEM;
 
        ret = drm_gem_handle_create(file_priv, obj, &handle);
-       mutex_lock(&dev->struct_mutex);
-       drm_gem_object_handle_unreference(obj);
-       mutex_unlock(&dev->struct_mutex);
+       drm_gem_object_handle_unreference_unlocked(obj);
 
        if (ret)
                return ret;
@@ -488,7 +486,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
         */
        if (args->offset > obj->size || args->size > obj->size ||
            args->offset + args->size > obj->size) {
-               drm_gem_object_unreference(obj);
+               drm_gem_object_unreference_unlocked(obj);
                return -EINVAL;
        }
 
@@ -501,7 +499,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
                                                        file_priv);
        }
 
-       drm_gem_object_unreference(obj);
+       drm_gem_object_unreference_unlocked(obj);
 
        return ret;
 }
@@ -961,7 +959,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
         */
        if (args->offset > obj->size || args->size > obj->size ||
            args->offset + args->size > obj->size) {
-               drm_gem_object_unreference(obj);
+               drm_gem_object_unreference_unlocked(obj);
                return -EINVAL;
        }
 
@@ -995,7 +993,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
                DRM_INFO("pwrite failed %d\n", ret);
 #endif
 
-       drm_gem_object_unreference(obj);
+       drm_gem_object_unreference_unlocked(obj);
 
        return ret;
 }
@@ -1138,9 +1136,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
                       PROT_READ | PROT_WRITE, MAP_SHARED,
                       args->offset);
        up_write(&current->mm->mmap_sem);
-       mutex_lock(&dev->struct_mutex);
-       drm_gem_object_unreference(obj);
-       mutex_unlock(&dev->struct_mutex);
+       drm_gem_object_unreference_unlocked(obj);
        if (IS_ERR((void *)addr))
                return addr;
 
@@ -3688,8 +3684,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        if (args->num_cliprects != 0) {
                cliprects = kcalloc(args->num_cliprects, sizeof(*cliprects),
                                    GFP_KERNEL);
-               if (cliprects == NULL)
+               if (cliprects == NULL) {
+                       ret = -ENOMEM;
                        goto pre_mutex_err;
+               }
 
                ret = copy_from_user(cliprects,
                                     (struct drm_clip_rect __user *)