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path: root/drivers/gpu/drm/drm_bufs.c
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Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
-rw-r--r--drivers/gpu/drm/drm_bufs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index ef26ac57f039..a0735fbc144b 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -53,6 +53,7 @@ static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
struct drm_local_map *map)
{
struct drm_map_list *entry;
+
list_for_each_entry(entry, &dev->maplist, head) {
/*
* Because the kernel-userspace ABI is fixed at a 32-bit offset
@@ -102,6 +103,7 @@ static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
if (!use_hashed_handle) {
int ret;
+
hash->key = user_token >> PAGE_SHIFT;
ret = drm_ht_insert_item(&dev->map_hash, hash);
if (ret != -EINVAL)
@@ -391,6 +393,7 @@ struct drm_local_map *drm_legacy_findmap(struct drm_device *dev,
unsigned int token)
{
struct drm_map_list *_entry;
+
list_for_each_entry(_entry, &dev->maplist, head)
if (_entry->user_token == token)
return _entry->map;
@@ -1323,6 +1326,7 @@ int __drm_legacy_infobufs(struct drm_device *dev,
if (*p >= count) {
for (i = 0, count = 0; i < DRM_MAX_ORDER + 1; i++) {
struct drm_buf_entry *from = &dma->bufs[i];
+
if (from->buf_count) {
if (f(data, count, from) < 0)
return -EFAULT;
@@ -1359,6 +1363,7 @@ int drm_legacy_infobufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_buf_info *request = data;
+
return __drm_legacy_infobufs(dev, data, &request->count, copy_one_buf);
}
@@ -1570,6 +1575,7 @@ int drm_legacy_mapbufs(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_buf_map *request = data;
+
return __drm_legacy_mapbufs(dev, data, &request->count,
&request->virtual, map_one_buf,
file_priv);