ext4: fix error code return to user-space in ext4_get_branch()
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 v5.15.87 by commit 844c405552976bd739ba7677f2862a9f7f63f3ba. For more details please see the references link.