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improve error handling of unregistering media loaders

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This commit is contained in:
Alex Zenla
2025-10-18 23:26:05 -07:00
parent 849c13a5a5
commit 15c7a7f2b5
2 changed files with 15 additions and 13 deletions
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14
src/actions/chainload.rs
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@@ -3,11 +3,10 @@ use crate::utils;
use crate::utils::media_loader::MediaLoaderHandle; use crate::utils::media_loader::MediaLoaderHandle;
use crate::utils::media_loader::constants::LINUX_EFI_INITRD_MEDIA_GUID; use crate::utils::media_loader::constants::LINUX_EFI_INITRD_MEDIA_GUID;
use anyhow::{Context, Result, bail}; use anyhow::{Context, Result, bail};
use log::info; use log::{error, info};
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use std::rc::Rc; use std::rc::Rc;
use uefi::CString16; use uefi::CString16;
use uefi::proto::device_path::LoadedImageDevicePath;
use uefi::proto::loaded_image::LoadedImage; use uefi::proto::loaded_image::LoadedImage;
#[derive(Serialize, Deserialize, Default, Clone)] #[derive(Serialize, Deserialize, Default, Clone)]
@@ -21,9 +20,6 @@ pub struct ChainloadConfiguration {
pub fn chainload(context: Rc<SproutContext>, configuration: &ChainloadConfiguration) -> Result<()> { pub fn chainload(context: Rc<SproutContext>, configuration: &ChainloadConfiguration) -> Result<()> {
let sprout_image = uefi::boot::image_handle(); let sprout_image = uefi::boot::image_handle();
let _image_device_path_protocol =
uefi::boot::open_protocol_exclusive::<LoadedImageDevicePath>(sprout_image)
.context("unable to open loaded image device path protocol")?;
let resolved = utils::resolve_path( let resolved = utils::resolve_path(
context.root().loaded_image_path()?, context.root().loaded_image_path()?,
@@ -87,10 +83,10 @@ pub fn chainload(context: Rc<SproutContext>, configuration: &ChainloadConfigurat
let (base, size) = loaded_image_protocol.info(); let (base, size) = loaded_image_protocol.info();
info!("loaded image: base={:#x} size={:#x}", base.addr(), size); info!("loaded image: base={:#x} size={:#x}", base.addr(), size);
let result = uefi::boot::start_image(image).context("unable to start image"); let result = uefi::boot::start_image(image).context("unable to start image");
if let Some(initrd_handle) = initrd_handle { if let Some(initrd_handle) = initrd_handle
initrd_handle && let Err(error) = initrd_handle.unregister()
.unregister() {
.context("unable to unregister linux initrd")?; error!("unable to unregister linux initrd: {}", error);
} }
result.context("unable to start image")?; result.context("unable to start image")?;
drop(options_holder); drop(options_holder);

14
src/actions/edera.rs
View File

@@ -1,6 +1,7 @@
use std::rc::Rc; use std::rc::Rc;
use anyhow::{Context, Result}; use anyhow::{Context, Result};
use log::error;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use uefi::Guid; use uefi::Guid;
@@ -63,19 +64,22 @@ fn register_media_loader_file(
pub fn edera(context: Rc<SproutContext>, configuration: &EderaConfiguration) -> Result<()> { pub fn edera(context: Rc<SproutContext>, configuration: &EderaConfiguration) -> Result<()> {
let config = build_xen_config(configuration); let config = build_xen_config(configuration);
let config = register_media_loader_text(XEN_EFI_CONFIG_MEDIA_GUID, "config", config)?; let config = register_media_loader_text(XEN_EFI_CONFIG_MEDIA_GUID, "config", config)
.context("unable to register config media loader")?;
let kernel = register_media_loader_file( let kernel = register_media_loader_file(
&context, &context,
XEN_EFI_KERNEL_MEDIA_GUID, XEN_EFI_KERNEL_MEDIA_GUID,
"kernel", "kernel",
&configuration.kernel, &configuration.kernel,
)?; )
.context("unable to register kernel media loader")?;
let mut media_loaders = vec![config, kernel]; let mut media_loaders = vec![config, kernel];
if let Some(ref initrd) = configuration.initrd { if let Some(ref initrd) = configuration.initrd {
let initrd = let initrd =
register_media_loader_file(&context, XEN_EFI_RAMDISK_MEDIA_GUID, "initrd", initrd)?; register_media_loader_file(&context, XEN_EFI_RAMDISK_MEDIA_GUID, "initrd", initrd)
.context("unable to register initrd media loader")?;
media_loaders.push(initrd); media_loaders.push(initrd);
} }
@@ -90,7 +94,9 @@ pub fn edera(context: Rc<SproutContext>, configuration: &EderaConfiguration) ->
.context("unable to chainload to xen"); .context("unable to chainload to xen");
for media_loader in media_loaders { for media_loader in media_loaders {
media_loader.unregister()?; if let Err(error) = media_loader.unregister() {
error!("unable to unregister media loader: {}", error);
}
} }
result result