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| author |   Inki Dae <inki.dae@samsung.com> | 2013-01-29 17:51:09 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2013-02-21 15:00:26 +0900 |
| commit | b9ede277e15916a9ec3c6c1932c390e4768e71a9 (patch) | |
| tree | 7ffb23a4062b700abd2b03a605ce81540f5226bb /drivers | |
| parent | drm/exynos: fix iommu address allocation order (diff) | |
| download | linux-dev-b9ede277e15916a9ec3c6c1932c390e4768e71a9.tar.xz linux-dev-b9ede277e15916a9ec3c6c1932c390e4768e71a9.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fb.c | 4 |
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 294c0513f587..31d4cb19736e 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); } |