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kata-sys-utils: fix warnings for s390x

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The warning reports as bwlow:
```
   --> kata-sys-util/src/protection.rs:145:9
    |
145 |         return Err(ProtectionError::NoPerms)?;
    |         ^^^^^^^ help: remove it
    |
...
error: `to_string` applied to a type that implements `Display` in
`format!` args
   --> kata-sys-util/src/protection.rs:151:16
    |
151 |             err.to_string()
    |                ^^^^^^^^^^^^ help: remove this
```

Signed-off-by: alex.lyn <alex.lyn@antgroup.com>
This commit is contained in:
alex.lyn 2025-07-24 17:30:15 +08:00 committed by Alex Lyn
parent 8f88401a6a
commit bcb5df2c40
1 changed files with 2 additions and 2 deletions
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4
src/libs/kata-sys-util/src/protection.rs
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@ -142,13 +142,13 @@ pub fn arch_guest_protection(
#[allow(dead_code)] #[allow(dead_code)]
pub fn available_guest_protection() -> Result<GuestProtection, ProtectionError> { pub fn available_guest_protection() -> Result<GuestProtection, ProtectionError> {
if !Uid::effective().is_root() { if !Uid::effective().is_root() {
return Err(ProtectionError::NoPerms)?; Err(ProtectionError::NoPerms)?;
} }
let facilities = crate::cpu::retrieve_cpu_facilities().map_err(|err| { let facilities = crate::cpu::retrieve_cpu_facilities().map_err(|err| {
ProtectionError::CheckFailed(format!( ProtectionError::CheckFailed(format!(
"Error retrieving cpu facilities file : {}", "Error retrieving cpu facilities file : {}",
err.to_string() err
)) ))
})?; })?;