3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jakob Bornecrantz <ja...@vmware.com>
commit 7c4eaca4162d0b5ad4fb39f974d7ffd71b9daa09 upstream.
Signed-off-by: Jakob Bornecrantz <ja...@vmware.com>
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
drivers/gpu/drm/drm_crtc.c | 2 +-
include/drm/drm_mode.h | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 08a7aa7..6fbfc24 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1981,7 +1981,7 @@ int drm_mode_cursor_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
- if (!req->flags)
+ if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags))
return -EINVAL;
mutex_lock(&dev->mode_config.mutex);
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 5581980..3d6301b 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -359,8 +359,9 @@ struct drm_mode_mode_cmd {
struct drm_mode_modeinfo mode;
};
-#define DRM_MODE_CURSOR_BO (1<<0)
-#define DRM_MODE_CURSOR_MOVE (1<<1)
+#define DRM_MODE_CURSOR_BO 0x01
+#define DRM_MODE_CURSOR_MOVE 0x02
+#define DRM_MODE_CURSOR_FLAGS 0x03
/*
* depending on the value in flags different members are used.
--
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