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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.c7
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,
470 if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) && 470 if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) &&
471 (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) 471 (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
472 ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; 472 ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
473 else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) 473 else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {
474 ioctl = &drm_ioctls[nr]; 474 ioctl = &drm_ioctls[nr];
475 else 475 cmd = ioctl->cmd;
476 } else
476 goto err_i1; 477 goto err_i1;
477 478
479 /* Do not trust userspace, use our own definition */
478 func = ioctl->func; 480 func = ioctl->func;
479 /* is there a local override? */ 481 /* is there a local override? */
480 if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) 482 if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl)
481 func = dev->driver->dma_ioctl; 483 func = dev->driver->dma_ioctl;
482 484
483
484 if (!func) { 485 if (!func) {
485 DRM_DEBUG("no function\n"); 486 DRM_DEBUG("no function\n");
486 retcode = -EINVAL; 487 retcode = -EINVAL;