drm/exynos: consider exception case to fb handle creation



GETFB ioctl request creates a new handle to only one gem object
so it should check if the given fb has one gem object.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

parent fe9e3137

drivers/gpu/drm/exynos/exynos_drm_fb.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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);
		}