diff options
| -rw-r--r-- | rust/kernel/error.rs | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs index 5fece574ec02..914e8dec1abd 100644 --- a/rust/kernel/error.rs +++ b/rust/kernel/error.rs @@ -101,19 +101,16 @@ impl Error { /// It is a bug to pass an out-of-range `errno`. `EINVAL` would /// be returned in such a case. pub fn from_errno(errno: crate::ffi::c_int) -> Error { - if errno < -(bindings::MAX_ERRNO as i32) || errno >= 0 { + if let Some(error) = Self::try_from_errno(errno) { + error + } else { // TODO: Make it a `WARN_ONCE` once available. crate::pr_warn!( "attempted to create `Error` with out of range `errno`: {}", errno ); - return code::EINVAL; + code::EINVAL } - - // INVARIANT: The check above ensures the type invariant - // will hold. - // SAFETY: `errno` is checked above to be in a valid range. - unsafe { Error::from_errno_unchecked(errno) } } /// Creates an [`Error`] from a kernel error code. |