IB/mlx5: Fix initializing CQ fragments buffer
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 v5.12.11 by commit 3e670c54eda238cb8a1ea93538a79ae89285c1c4, it was introduced in version v4.17 by commit 388ca8be00370db132464e27f745b8a0add19fcb. For more details please see the references link.