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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-03-19 08:52:17 +1100
committerDave Airlie <airlied@linux.ie>2007-03-19 08:52:17 +1100
commit99da6d861c659bb1a961b70f50fad268b9ed5a5f (patch)
treeaaa921d73006211ccfce0d9ae1bea55d8cb5e214 /drivers/char/drm/drm_drv.c
parent6244270ef62203e057191bf85489e2ff91cc0e60 (diff)
drm: allow for more generic drm ioctls
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm_drv.c')
-rw-r--r--drivers/char/drm/drm_drv.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index f5b9b2480c14..26bec30ee86e 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -496,11 +496,14 @@ int drm_ioctl(struct inode *inode, struct file *filp,
(long)old_encode_dev(priv->head->device),
priv->authenticated);
- if (nr < DRIVER_IOCTL_COUNT)
- ioctl = &drm_ioctls[nr];
- else if ((nr >= DRM_COMMAND_BASE)
+ if ((nr >= DRIVER_IOCTL_COUNT) &&
+ ((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
+ goto err_i1;
+ if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
&& (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
+ else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
+ ioctl = &drm_ioctls[nr];
else
goto err_i1;