diff options
| author | Emil Velikov <emil.velikov@collabora.com> | 2019-05-22 19:41:17 +0300 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2019-06-26 17:00:38 +0300 |
| commit | cbfbe47fc5391852bd426e07aad7f5cf026e94c5 (patch) | |
| tree | ed71d7ec6df7295e0864f095671c4c9c2e7b213d /drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | |
| parent | bcde7d345c9038a88b790aa1fd27d4430ce54876 (diff) | |
| download | linux-cbfbe47fc5391852bd426e07aad7f5cf026e94c5.tar.xz | |
drm/vmwgfx: use core drm to extend/check vmw_execbuf_ioctl
Currently vmw_execbuf_ioctl() open-codes the permission checking, size
extending and copying that is already done in core drm.
Kill all the duplication, adding a few comments for clarity.
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Tested-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190522164119.24139-3-emil.l.velikov@gmail.com
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index fe0a67908601..275d90fe2a25 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -186,7 +186,7 @@ static const struct drm_ioctl_desc vmw_ioctls[] = { DRM_RENDER_ALLOW), VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl, DRM_AUTH | DRM_RENDER_ALLOW), - VMW_IOCTL_DEF(VMW_EXECBUF, NULL, DRM_AUTH | + VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl, DRM_AUTH | DRM_RENDER_ALLOW), VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl, DRM_RENDER_ALLOW), @@ -1117,15 +1117,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd, &vmw_ioctls[nr - DRM_COMMAND_BASE]; if (nr == DRM_COMMAND_BASE + DRM_VMW_EXECBUF) { - ret = (long) drm_ioctl_permit(ioctl->flags, file_priv); - if (unlikely(ret != 0)) - return ret; - - if (unlikely((cmd & (IOC_IN | IOC_OUT)) != IOC_IN)) - goto out_io_encoding; - - return (long) vmw_execbuf_ioctl(dev, arg, file_priv, - _IOC_SIZE(cmd)); + return ioctl_func(filp, cmd, arg); } else if (nr == DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT) { if (!drm_is_current_master(file_priv) && !capable(CAP_SYS_ADMIN)) |