提交 72cc05a5 编写于 作者: S Stefan Agner

drm/fsl-dcu: avoid memory leak on errors

Improve error handling during CRTC initialization. Especially avoid
memory leaks in the primary plane initialization error path.
Signed-off-by: NStefan Agner <stefan@agner.ch>
上级 e291d298
......@@ -143,10 +143,15 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)
int ret;
primary = fsl_dcu_drm_primary_create_plane(fsl_dev->drm);
if (!primary)
return -ENOMEM;
ret = drm_crtc_init_with_planes(fsl_dev->drm, crtc, primary, NULL,
&fsl_dcu_drm_crtc_funcs, NULL);
if (ret < 0)
if (ret) {
primary->funcs->destroy(primary);
return ret;
}
drm_crtc_helper_add(crtc, &fsl_dcu_drm_crtc_helper_funcs);
......
......@@ -187,6 +187,7 @@ static const struct drm_plane_helper_funcs fsl_dcu_drm_plane_helper_funcs = {
static void fsl_dcu_drm_plane_destroy(struct drm_plane *plane)
{
drm_plane_cleanup(plane);
kfree(plane);
}
static const struct drm_plane_funcs fsl_dcu_drm_plane_funcs = {
......
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