diff options
Diffstat (limited to 'drivers/char/drm/drm_drv.c')
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index fc54140551a7..564138714bb5 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -470,17 +470,18 @@ int drm_ioctl(struct inode *inode, struct file *filp, 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)) + else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) { ioctl = &drm_ioctls[nr]; - else + cmd = ioctl->cmd; + } else goto err_i1; + /* Do not trust userspace, use our own definition */ func = ioctl->func; /* is there a local override? */ if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) func = dev->driver->dma_ioctl; - if (!func) { DRM_DEBUG("no function\n"); retcode = -EINVAL; |