flashrom_tester: Fix cargo check and clippy warnings

Change-Id: I50c5af61e06df1bb6956f347cb6806a7eca6ce0e
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67472
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

util/flashrom_tester/src/cros_sysinfo.rs

@@ -34,7 +34,6 @@
 //
 
 use std::ffi::OsStr;
-use std::fmt::Debug;
 use std::io::Result as IoResult;
 use std::process::{Command, Stdio};
 

util/flashrom_tester/src/logger.rs

@@ -129,7 +129,7 @@ mod tests {
 
             for record in records {
                 if logger.enabled(record.metadata()) {
-                    logger.log(&record);
+                    logger.log(record);
                 }
             }
         }

util/flashrom_tester/src/rand_util.rs

@@ -42,9 +42,7 @@ use rand::prelude::*;
 pub fn gen_rand_testdata(path: &str, size: usize) -> std::io::Result<()> {
     let mut buf = BufWriter::new(File::create(path)?);
 
-    let mut a: Vec<u8> = Vec::with_capacity(size);
-    // Pad out array to be filled in by Rng::fill().
-    a.resize(size, 0b0);
+    let mut a: Vec<u8> = vec![0; size];
     thread_rng().fill(a.as_mut_slice());
 
     buf.write_all(a.as_slice())?;

util/flashrom_tester/src/tester.rs

@@ -69,8 +69,8 @@ impl<'a> TestEnv<'a> {
     pub fn create(chip_type: FlashChip, cmd: &'a dyn Flashrom) -> Result<Self, FlashromError> {
         let rom_sz = cmd.get_size()?;
         let out = TestEnv {
-            chip_type: chip_type,
-            cmd: cmd,
+            chip_type,
+            cmd,
             layout: utils::get_layout_sizes(rom_sz)?,
             wp: WriteProtectState::from_hardware(cmd, chip_type)?,
             original_flash_contents: "/tmp/flashrom_tester_golden.bin".into(),
@@ -462,7 +462,7 @@ impl<T: TestCase + ?Sized> TestCase for &T {
 }
 
 #[allow(dead_code)]
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 pub enum TestConclusion {
     Pass,
     Fail,
@@ -514,7 +514,7 @@ where
     results
 }
 
-#[derive(Debug, PartialEq, Clone, Copy)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum OutputFormat {
     Pretty,
     Json,

util/flashrom_tester/src/tests.rs

@@ -43,8 +43,8 @@ use std::fs::{self, File};
 use std::io::{BufRead, Write};
 use std::sync::atomic::AtomicBool;
 
-const LAYOUT_FILE: &'static str = "/tmp/layout.file";
-const ELOG_FILE: &'static str = "/tmp/elog.file";
+const LAYOUT_FILE: &str = "/tmp/layout.file";
+const ELOG_FILE: &str = "/tmp/elog.file";
 
 /// Iterate over tests, yielding only those tests with names matching filter_names.
 ///
@@ -79,6 +79,7 @@ fn filter_tests<'n, 't: 'n, T: TestCase>(
 /// test_names is the case-insensitive names of tests to run; if None, then all
 /// tests are run. Provided names that don't match any known test will be logged
 /// as a warning.
+#[allow(clippy::or_fun_call)] // This is used for to_string here and we don't care.
 pub fn generic<'a, TN: Iterator<Item = &'a str>>(
     cmd: &dyn Flashrom,
     fc: FlashChip,
@@ -132,11 +133,8 @@ pub fn generic<'a, TN: Iterator<Item = &'a str>>(
 
     // Limit the tests to only those requested, unless none are requested
     // in which case all tests are included.
-    let mut filter_names: Option<HashSet<String>> = if let Some(names) = test_names {
-        Some(names.map(|s| s.to_lowercase()).collect())
-    } else {
-        None
-    };
+    let mut filter_names: Option<HashSet<String>> =
+        test_names.map(|names| names.map(|s| s.to_lowercase()).collect());
     let tests = filter_tests(tests, &mut filter_names);
 
     let chip_name = cmd
@@ -153,15 +151,15 @@ pub fn generic<'a, TN: Iterator<Item = &'a str>>(
         warn!("No test matches filter name \"{}\"", leftover);
     }
 
-    let os_rel = sys_info::os_release().unwrap_or("<Unknown OS>".to_string());
+    let os_release = sys_info::os_release().unwrap_or("<Unknown OS>".to_string());
     let system_info = cros_sysinfo::system_info().unwrap_or("<Unknown System>".to_string());
     let bios_info = cros_sysinfo::bios_info().unwrap_or("<Unknown BIOS>".to_string());
 
     let meta_data = tester::ReportMetaData {
-        chip_name: chip_name,
-        os_release: os_rel,
-        system_info: system_info,
-        bios_info: bios_info,
+        chip_name,
+        os_release,
+        system_info,
+        bios_info,
     };
     tester::collate_all_test_runs(&results, meta_data, output_format);
     Ok(())

util/flashrom_tester/src/utils.rs

@@ -143,14 +143,14 @@ pub fn get_hardware_wp() -> std::result::Result<bool, String> {
     match wp_s_val {
         Ok(v) => {
             if v == 1 {
-                return Ok(true);
+                Ok(true)
             } else if v == 0 {
-                return Ok(false);
+                Ok(false)
             } else {
-                return Err("Unknown write protect value".into());
+                Err("Unknown write protect value".into())
             }
         }
-        Err(_) => return Err("Cannot parse write protect value".into()),
+        Err(_) => Err("Cannot parse write protect value".into()),
     }
 }