derive Eq on data structures that implement PartialEq

Signed-off-by: Petre Eftime <epetre@amazon.com>

Author: Petre Eftime

src/backend/bpf.rs

@@ -139,7 +139,7 @@ pub const AUDIT_ARCH_AARCH64: u32 = 183 | 0x8000_0000 | 0x4000_0000;
 // We cannot use the `libc::sock_filter` definition since it doesn't implement `Debug` and
 // `PartialEq`.
 #[repr(C)]
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct sock_filter {
     /// Code of the instruction.
     pub code: ::std::os::raw::c_ushort,

src/backend/condition.rs

@@ -5,7 +5,7 @@ use super::{Error, Result, SeccompCmpArgLen, SeccompCmpOp};
 use crate::backend::bpf::*;
 
 /// Condition that a syscall must match in order to satisfy a rule.
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SeccompCondition {
     /// Index of the argument that is to be compared.
     arg_index: u8,

src/backend/filter.rs

@@ -9,7 +9,7 @@ use crate::backend::rule::SeccompRule;
 use crate::backend::{Error, Result, SeccompAction, TargetArch};
 
 /// Filter containing rules assigned to syscall numbers.
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SeccompFilter {
     /// Map of syscall numbers and corresponding rule chains.
     rules: BTreeMap<i64, Vec<SeccompRule>>,

src/backend/mod.rs

@@ -32,7 +32,7 @@ pub use bpf::{sock_filter, BpfProgram, BpfProgramRef};
 type Result<T> = std::result::Result<T, Error>;
 
 /// Backend-related errors.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Eq)]
 pub enum Error {
     /// Attempting to associate an empty vector of conditions to a rule.
     EmptyRule,
@@ -76,7 +76,7 @@ impl Display for Error {
 
 /// Supported target architectures.
 #[allow(non_camel_case_types)]
-#[derive(Debug, PartialEq, Clone, Copy)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum TargetArch {
     /// x86_64 arch
     x86_64,
@@ -111,7 +111,7 @@ impl TryFrom<&str> for TargetArch {
     derive(Deserialize),
     serde(rename_all = "snake_case")
 )]
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub enum SeccompCmpOp {
     /// Argument value is equal to the specified value.
     Eq,
@@ -131,7 +131,7 @@ pub enum SeccompCmpOp {
 
 /// Seccomp argument value length.
 #[cfg_attr(feature = "json", derive(Deserialize), serde(rename_all = "lowercase"))]
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub enum SeccompCmpArgLen {
     /// Argument value length is 4 bytes.
     Dword,
@@ -145,7 +145,7 @@ pub enum SeccompCmpArgLen {
     derive(Deserialize),
     serde(rename_all = "snake_case")
 )]
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub enum SeccompAction {
     /// Allows syscall.
     Allow,

src/backend/rule.rs

@@ -11,7 +11,7 @@ use std::convert::{From, TryFrom};
 /// [`SeccompFilter`] is triggered.
 ///
 /// [`SeccompFilter`]: struct.SeccompFilter.html
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SeccompRule {
     /// Conditions of rule that need to match in order for the rule to get matched.
     conditions: Vec<SeccompCondition>,