Fix Clippy reports

$ cargo clippy --fix -- -D clippy::all -A clippy::match_same_arms

Signed-off-by: Quentin Monnet <[email protected]>

Author: qmonnet

src/assembler.rs

@@ -215,11 +215,10 @@ fn assemble_internal(parsed: &[Instruction]) -> Result<Vec<Insn>, String> {
                     Err(msg) => return Err(format!("Failed to encode {name}: {msg}")),
                 }
                 // Special case for lddw.
-                if let LoadImm = inst_type {
-                    if let Integer(imm) = instruction.operands[1] {
+                if let LoadImm = inst_type
+                    && let Integer(imm) = instruction.operands[1] {
                         result.push(insn(0, 0, 0, 0, imm >> 32).unwrap());
                     }
-                }
             }
             None => return Err(format!("Invalid instruction {name:?}")),
         }

src/interpreter.rs

@@ -116,11 +116,10 @@ pub fn execute_program(
     let mut insn_ptr: usize = 0;
     while insn_ptr * ebpf::INSN_SIZE < prog.len() {
         let insn = ebpf::get_insn(prog, insn_ptr);
-        if stack_frame_idx < MAX_CALL_DEPTH {
-            if let Some(usage) = stack_usage.stack_usage_for_local_func(insn_ptr) {
+        if stack_frame_idx < MAX_CALL_DEPTH
+            && let Some(usage) = stack_usage.stack_usage_for_local_func(insn_ptr) {
                 stacks[stack_frame_idx].set_stack_usage(usage);
             }
-        }
         insn_ptr += 1;
         let _dst = insn.dst as usize;
         let _src = insn.src as usize;