CVE ID:	CVE-2021-47530
Description:	In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix wait_fence submitqueue leak We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. Split out a helper to simplify handling this in the various different return paths.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-47530 https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647 https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647 https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5 https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5