This is a note to let you know that I've just added the patch titled

    drm: Check for invalid cursor flags

to the 3.4-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-check-for-invalid-cursor-flags.patch
and it can be found in the queue-3.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From 7c4eaca4162d0b5ad4fb39f974d7ffd71b9daa09 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <[email protected]>
Date: Thu, 16 Aug 2012 08:29:03 +0000
Subject: drm: Check for invalid cursor flags

From: Jakob Bornecrantz <[email protected]>

commit 7c4eaca4162d0b5ad4fb39f974d7ffd71b9daa09 upstream.

Signed-off-by: Jakob Bornecrantz <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/gpu/drm/drm_crtc.c |    2 +-
 include/drm/drm_mode.h     |    5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

--- 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_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);
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -343,8 +343,9 @@ 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.


Patches currently in stable-queue which might be from [email protected] are

queue-3.4/vmwgfx-add-dumb-ioctl-support.patch
queue-3.4/drm-check-for-invalid-cursor-flags.patch
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