net/mlx5e: Fix null deref accessing lag dev
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 v5.12.9 by commit bdfd3593a8248eea6ecfcbf7b47b56b86515672d, it was introduced in version v5.8 by commit 7e51891a237f9ea319f53f9beb83afb0077d88e6. For more details please see the references link.