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path: root/drivers/char/drm/drm_drv.c
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Diffstat (limited to 'drivers/char/drm/drm_drv.c')
-rw-r--r--drivers/char/drm/drm_drv.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index fc54140551a7..22957ac15df4 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -475,6 +475,8 @@ int drm_ioctl(struct inode *inode, struct file *filp,
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)
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