Minor clippy fixes

Signed-off-by: Sergio Lopez <[email protected]>

Author: slp

crates/krun/src/bin/krun.rs

@@ -149,7 +149,7 @@ fn main() -> Result<()> {
     let disks: Vec<String> = if !options.fex_images.is_empty() {
         options.fex_images
     } else {
-        let default_disks = vec![
+        let default_disks = [
             "/usr/share/fex-emu/RootFS/default.erofs",
             "/usr/share/fex-emu/overlays/mesa.erofs",
         ];

crates/krun/src/guest/mount.rs

@@ -93,7 +93,7 @@ fn mount_fex_rootfs() -> Result<()> {
 pub fn mount_filesystems() -> Result<()> {
     make_tmpfs("/var/run")?;
 
-    if let Err(_) = mount_fex_rootfs() {
+    if mount_fex_rootfs().is_err() {
         println!("Failed to mount FEX rootfs, carrying on without.")
     }