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path: root/drivers/gpu/drm/msm/msm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 6277fde13df9..38b0c0e1f83e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -560,7 +560,7 @@ int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
*offset = msm_gem_mmap_offset(obj);
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
fail:
return ret;
@@ -571,6 +571,9 @@ static void *get_vaddr(struct drm_gem_object *obj, unsigned madv)
struct msm_gem_object *msm_obj = to_msm_bo(obj);
int ret = 0;
+ if (obj->import_attach)
+ return ERR_PTR(-ENODEV);
+
mutex_lock(&msm_obj->lock);
if (WARN_ON(msm_obj->madv > madv)) {
@@ -896,7 +899,7 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m)
}
#endif
-/* don't call directly! Use drm_gem_object_put() and friends */
+/* don't call directly! Use drm_gem_object_put_locked() and friends */
void msm_gem_free_object(struct drm_gem_object *obj)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
@@ -924,8 +927,7 @@ static void free_object(struct msm_gem_object *msm_obj)
put_iova(obj);
if (obj->import_attach) {
- if (msm_obj->vaddr)
- dma_buf_vunmap(obj->import_attach->dmabuf, msm_obj->vaddr);
+ WARN_ON(msm_obj->vaddr);
/* Don't drop the pages for imported dmabuf, as they are not
* ours, just free the array we allocated:
@@ -987,7 +989,7 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
ret = drm_gem_handle_create(file, obj, handle);
/* drop reference from allocate - handle holds it now */
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
return ret;
}
@@ -1106,7 +1108,7 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev,
return obj;
fail:
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
return ERR_PTR(ret);
}
@@ -1166,7 +1168,7 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev,
return obj;
fail:
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
return ERR_PTR(ret);
}
@@ -1200,9 +1202,9 @@ static void *_msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
return vaddr;
err:
if (locked)
- drm_gem_object_put(obj);
+ drm_gem_object_put_locked(obj);
else
- drm_gem_object_put_unlocked(obj);
+ drm_gem_object_put(obj);
return ERR_PTR(ret);
@@ -1232,9 +1234,9 @@ void msm_gem_kernel_put(struct drm_gem_object *bo,
msm_gem_unpin_iova(bo, aspace);
if (locked)
- drm_gem_object_put(bo);
+ drm_gem_object_put_locked(bo);
else
- drm_gem_object_put_unlocked(bo);
+ drm_gem_object_put(bo);
}
void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...)