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-rw-r--r--rust/kernel/drm/device.rs12
-rw-r--r--rust/kernel/drm/driver.rs1
-rw-r--r--rust/kernel/net/phy.rs34
3 files changed, 24 insertions, 23 deletions
diff --git a/rust/kernel/drm/device.rs b/rust/kernel/drm/device.rs
index 624d7a4c83ea..14c1aa402951 100644
--- a/rust/kernel/drm/device.rs
+++ b/rust/kernel/drm/device.rs
@@ -66,7 +66,7 @@ impl<T: drm::Driver> Device<T> {
open: Some(drm::File::<T::File>::open_callback),
postclose: Some(drm::File::<T::File>::postclose_callback),
unload: None,
- release: None,
+ release: Some(Self::release),
master_set: None,
master_drop: None,
debugfs_init: None,
@@ -162,6 +162,16 @@ impl<T: drm::Driver> Device<T> {
// SAFETY: `ptr` is valid by the safety requirements of this function.
unsafe { &*ptr.cast() }
}
+
+ extern "C" fn release(ptr: *mut bindings::drm_device) {
+ // SAFETY: `ptr` is a valid pointer to a `struct drm_device` and embedded in `Self`.
+ let this = unsafe { Self::from_drm_device(ptr) };
+
+ // SAFETY:
+ // - When `release` runs it is guaranteed that there is no further access to `this`.
+ // - `this` is valid for dropping.
+ unsafe { core::ptr::drop_in_place(this) };
+ }
}
impl<T: drm::Driver> Deref for Device<T> {
diff --git a/rust/kernel/drm/driver.rs b/rust/kernel/drm/driver.rs
index acb638086131..af93d46d03d3 100644
--- a/rust/kernel/drm/driver.rs
+++ b/rust/kernel/drm/driver.rs
@@ -10,7 +10,6 @@ use crate::{
drm,
error::{to_result, Result},
prelude::*,
- str::CStr,
types::ARef,
};
use macros::vtable;
diff --git a/rust/kernel/net/phy.rs b/rust/kernel/net/phy.rs
index 32ea43ece646..b37de09651cb 100644
--- a/rust/kernel/net/phy.rs
+++ b/rust/kernel/net/phy.rs
@@ -163,20 +163,20 @@ impl Device {
let phydev = self.0.get();
// SAFETY: The struct invariant ensures that we may access
// this field without additional synchronization.
- unsafe { (*phydev).speed = speed as i32 };
+ unsafe { (*phydev).speed = speed as c_int };
}
/// Sets duplex mode.
pub fn set_duplex(&mut self, mode: DuplexMode) {
let phydev = self.0.get();
let v = match mode {
- DuplexMode::Full => bindings::DUPLEX_FULL as i32,
- DuplexMode::Half => bindings::DUPLEX_HALF as i32,
- DuplexMode::Unknown => bindings::DUPLEX_UNKNOWN as i32,
+ DuplexMode::Full => bindings::DUPLEX_FULL,
+ DuplexMode::Half => bindings::DUPLEX_HALF,
+ DuplexMode::Unknown => bindings::DUPLEX_UNKNOWN,
};
// SAFETY: The struct invariant ensures that we may access
// this field without additional synchronization.
- unsafe { (*phydev).duplex = v };
+ unsafe { (*phydev).duplex = v as c_int };
}
/// Reads a PHY register.
@@ -312,9 +312,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn soft_reset_callback(
- phydev: *mut bindings::phy_device,
- ) -> crate::ffi::c_int {
+ unsafe extern "C" fn soft_reset_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: This callback is called only in contexts
// where we hold `phy_device->lock`, so the accessors on
@@ -328,7 +326,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn probe_callback(phydev: *mut bindings::phy_device) -> crate::ffi::c_int {
+ unsafe extern "C" fn probe_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: This callback is called only in contexts
// where we can exclusively access `phy_device` because
@@ -343,9 +341,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn get_features_callback(
- phydev: *mut bindings::phy_device,
- ) -> crate::ffi::c_int {
+ unsafe extern "C" fn get_features_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: This callback is called only in contexts
// where we hold `phy_device->lock`, so the accessors on
@@ -359,7 +355,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn suspend_callback(phydev: *mut bindings::phy_device) -> crate::ffi::c_int {
+ unsafe extern "C" fn suspend_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: The C core code ensures that the accessors on
// `Device` are okay to call even though `phy_device->lock`
@@ -373,7 +369,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn resume_callback(phydev: *mut bindings::phy_device) -> crate::ffi::c_int {
+ unsafe extern "C" fn resume_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: The C core code ensures that the accessors on
// `Device` are okay to call even though `phy_device->lock`
@@ -387,9 +383,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn config_aneg_callback(
- phydev: *mut bindings::phy_device,
- ) -> crate::ffi::c_int {
+ unsafe extern "C" fn config_aneg_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: This callback is called only in contexts
// where we hold `phy_device->lock`, so the accessors on
@@ -403,9 +397,7 @@ impl<T: Driver> Adapter<T> {
/// # Safety
///
/// `phydev` must be passed by the corresponding callback in `phy_driver`.
- unsafe extern "C" fn read_status_callback(
- phydev: *mut bindings::phy_device,
- ) -> crate::ffi::c_int {
+ unsafe extern "C" fn read_status_callback(phydev: *mut bindings::phy_device) -> c_int {
from_result(|| {
// SAFETY: This callback is called only in contexts
// where we hold `phy_device->lock`, so the accessors on
@@ -422,7 +414,7 @@ impl<T: Driver> Adapter<T> {
unsafe extern "C" fn match_phy_device_callback(
phydev: *mut bindings::phy_device,
_phydrv: *const bindings::phy_driver,
- ) -> crate::ffi::c_int {
+ ) -> c_int {
// SAFETY: This callback is called only in contexts
// where we hold `phy_device->lock`, so the accessors on
// `Device` are okay to call.