drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.318 by commit 452922955df215a417c80d09dab72bbc667a1861, it was introduced in version v3.19 by commit 2048e3286f347db5667708e47448176b5329e8d8. For more details please see the references link.