erofs: fix missing unmap if zerofsgetextentcompressedlen() fails
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 v6.0.16 by commit 091a8ca572a2e48554427feda78aa503e98c1028, it was introduced in version v5.13 by commit cec6e93beadfd145758af2c0854fcc2abb8170cb. For more details please see the references link.