From 858a3685bcf3ac199128e4aa85eaae2fb9d191b5 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 20 Jun 2008 15:42:38 +1000 Subject: drm: only trust core drm ioctls - driver ioctls are a mess. So driver ioctls need a full auditing before we can make this change. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_drv.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index 22957ac15df..564138714bb 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -470,19 +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 */ - cmd = ioctl->cmd; 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; -- cgit v1.2.3-70-g09d2