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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fb.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 294c051..31d4cb1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -99,6 +99,10 @@ static int exynos_drm_fb_create_handle(struct drm_framebuffer *fb,
DRM_DEBUG_KMS("%s\n", __FILE__);
+ /* This fb should have only one gem object. */
+ if (WARN_ON(exynos_fb->buf_cnt != 1))
+ return -EINVAL;
+
return drm_gem_handle_create(file_priv,
&exynos_fb->exynos_gem_obj[0]->base, handle);
}