diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-03-19 08:52:17 +1100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2007-03-19 08:52:17 +1100 |
| commit | 99da6d861c659bb1a961b70f50fad268b9ed5a5f (patch) | |
| tree | aaa921d73006211ccfce0d9ae1bea55d8cb5e214 /drivers/char | |
| parent | 6244270ef62203e057191bf85489e2ff91cc0e60 (diff) | |
drm: allow for more generic drm ioctls
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/drm/drm.h | 4 | ||||
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 9 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 8db9041e306c..089198491f16 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -654,11 +654,13 @@ typedef struct drm_set_version { /** * Device specific ioctls should only be in their respective headers - * The device specific ioctl range is from 0x40 to 0x79. + * The device specific ioctl range is from 0x40 to 0x99. + * Generic IOCTLS restart at 0xA0. * * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and * drmCommandReadWrite(). */ #define DRM_COMMAND_BASE 0x40 +#define DRM_COMMAND_END 0xA0 #endif 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; |