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drm/exynos: consider exception case to fb handle creation

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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>
This commit is contained in:
Inki Dae 2013-01-29 17:51:09 +09:00
parent fe9e3137cf
commit b9ede277e1
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/exynos/exynos_drm_fb.c
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@ -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);
}