diff options
Diffstat (limited to 'rust')
| -rw-r--r-- | rust/kernel/pci/irq.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/rust/kernel/pci/irq.rs b/rust/kernel/pci/irq.rs index 6741046ec1c0..22e2cdf82a21 100644 --- a/rust/kernel/pci/irq.rs +++ b/rust/kernel/pci/irq.rs @@ -151,8 +151,10 @@ impl<'a> IrqVectorRegistration<'a> { /// [`Self::len()`]. #[inline] pub fn index(&self, index: usize) -> Result<IrqVector<'_>> { + let index = u32::try_from(index)?; + // SAFETY: `self.dev.as_raw()` is a valid pointer to a `struct pci_dev`. - let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index as u32) }; + let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index) }; if irq < 0 { return Err(Error::from_errno(irq)); } |