diff options
| -rw-r--r-- | drivers/gpu/drm/drm_framebuffer.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index ad67203de715..8c4d32adcc17 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -468,29 +468,31 @@ int drm_mode_getfb(struct drm_device *dev, goto out; } + if (!fb->funcs->create_handle) { + ret = -ENODEV; + goto out; + } + r->height = fb->height; r->width = fb->width; r->depth = fb->format->depth; r->bpp = fb->format->cpp[0] * 8; r->pitch = fb->pitches[0]; - if (fb->funcs->create_handle) { - if (drm_is_current_master(file_priv) || capable(CAP_SYS_ADMIN) || - drm_is_control_client(file_priv)) { - ret = fb->funcs->create_handle(fb, file_priv, - &r->handle); - } else { - /* GET_FB() is an unprivileged ioctl so we must not - * return a buffer-handle to non-master processes! For - * backwards-compatibility reasons, we cannot make - * GET_FB() privileged, so just return an invalid handle - * for non-masters. */ - r->handle = 0; - ret = 0; - } - } else { - ret = -ENODEV; + + /* GET_FB() is an unprivileged ioctl so we must not return a + * buffer-handle to non-master processes! For + * backwards-compatibility reasons, we cannot make GET_FB() privileged, + * so just return an invalid handle for non-masters. + */ + if (!drm_is_current_master(file_priv) && !capable(CAP_SYS_ADMIN) && + !drm_is_control_client(file_priv)) { + r->handle = 0; + ret = 0; + goto out; } + ret = fb->funcs->create_handle(fb, file_priv, &r->handle); + out: drm_framebuffer_put(fb); |