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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2009-12-08 12:57:51 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-23 10:05:27 +1000 |
| commit | e1f7800315d78686481b27b113a3317ac687b6bf (patch) | |
| tree | 0c1b5030073b6575e363f8f7a697444674eeaf22 | |
| parent | 794f3141a194a4f4c28c1d417b071a901f78d9bb (diff) | |
| download | linux-3.10-e1f7800315d78686481b27b113a3317ac687b6bf.tar.gz linux-3.10-e1f7800315d78686481b27b113a3317ac687b6bf.tar.bz2 linux-3.10-e1f7800315d78686481b27b113a3317ac687b6bf.zip | |
drm/vmwgfx: Fix unlocked ioctl and add proper access control
This fixes up vmwgfx for the unlocked ioctl code to avoid
doing it in the driver. Also adds ioctl flags.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 7b48bb3b63b..1db1ef30be2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -103,37 +103,39 @@ */ static struct drm_ioctl_desc vmw_ioctls[] = { - VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM, vmw_getparam_ioctl, 0), + VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM, vmw_getparam_ioctl, + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_CURSOR_BYPASS, - vmw_kms_cursor_bypass_ioctl, 0), + vmw_kms_cursor_bypass_ioctl, + DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_CONTROL_STREAM, vmw_overlay_ioctl, - 0), + DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_CLAIM_STREAM, vmw_stream_claim_ioctl, - 0), + DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_STREAM, vmw_stream_unref_ioctl, - 0), + DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_CONTEXT, vmw_context_define_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_SURFACE, vmw_surface_define_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_REF_SURFACE, vmw_surface_reference_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_EXECBUF, vmw_execbuf_ioctl, - 0), + DRM_AUTH | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_FIFO_DEBUG, vmw_fifo_debug_ioctl, - 0), + DRM_AUTH | DRM_ROOT_ONLY | DRM_MASTER | DRM_UNLOCKED), VMW_IOCTL_DEF(DRM_IOCTL_VMW_FENCE_WAIT, vmw_fence_wait_ioctl, - 0) + DRM_AUTH | DRM_UNLOCKED) }; static struct pci_device_id vmw_pci_id_list[] = { @@ -460,11 +462,9 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd, struct drm_file *file_priv = filp->private_data; struct drm_device *dev = file_priv->minor->dev; unsigned int nr = DRM_IOCTL_NR(cmd); - long ret; /* - * The driver private ioctls and TTM ioctls should be - * thread-safe. + * Do extra checking on driver private ioctls. */ if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) @@ -477,18 +477,9 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd, nr - DRM_COMMAND_BASE); return -EINVAL; } - return drm_ioctl(filp->f_path.dentry->d_inode, - filp, cmd, arg); } - /* - * Not all old drm ioctls are thread-safe. - */ - - lock_kernel(); - ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); - unlock_kernel(); - return ret; + return drm_ioctl(filp, cmd, arg); } static int vmw_firstopen(struct drm_device *dev) |