diff options
| author | Kevin Hilman <khilman@linaro.org> | 2015-08-14 10:33:21 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-08-14 10:33:21 -0700 |
| commit | 59255ac55ba6ecd195ef97c6bcd1303a7f838c94 (patch) | |
| tree | c21899d772e8b55b74c9943f48ae88d3bd8724c9 /drivers/gpu/drm/drm_crtc.c | |
| parent | 9106e24eb8e4dbe7f8de197317e68624ada540b0 (diff) | |
| parent | 07818b5b1ba0f494a7255ab634bad2dd2b908ed0 (diff) | |
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-rtlsk-v3.10-15.08-rt
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 8759d699bd8e..c24c35606836 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1955,8 +1955,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; drm_modeset_lock_all(dev); |