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-rw-r--r--src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
index 063524655b6..5a4c256539d 100644
--- a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
+++ b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
@@ -120,7 +120,11 @@ nouveau_drm_screen_create(int fd)
if (!screen)
goto err;
- util_hash_table_set(fd_tab, intptr_to_pointer(fd), screen);
+ /* Use dupfd in hash table, to avoid errors if the original fd gets
+ * closed by its owner. The hash key needs to live at least as long as
+ * the screen.
+ */
+ util_hash_table_set(fd_tab, intptr_to_pointer(dupfd), screen);
screen->refcount = 1;
pipe_mutex_unlock(nouveau_screen_mutex);
return &screen->base;