Suricata

We are working on cleaning our Rust code from lint warnings.

For resolving this issue, please check the rust code and fix warnings related to
"comparing with null is better expressed by the `.is_null()` method".

For more details on this warning, check
https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null

For example:

cargo clippy --all-features

warning: comparing with null is better expressed by the `.is_null()` method
   --> src/ike/detect.rs:142:28
    |
142 |     debug_validate_bug_on!(value == std::ptr::null_mut());
    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null