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asusd: anime: don't cause async deadlocks damnit

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Same old song, an async mutex lock being held for a wide scope.
In particular being held for a scope that includes a function call which
also tries to get the lock.

Fix it by copy/clone of the config interior values required.

Fixes #588
This commit is contained in:
Luke D. Jones
2025-01-21 12:24:24 +13:00
parent cba8e1a473
commit 25823dc6b7
2 changed files with 51 additions and 44 deletions
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13
asusd/src/aura_anime/mod.rs
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@@ -16,7 +16,7 @@ use rog_anime::usb::{
use rog_anime::{ActionData, AnimeDataBuffer, AnimePacketType};
use rog_platform::hid_raw::HidRaw;
use rog_platform::usb_raw::USBRaw;
use tokio::sync::{Mutex, MutexGuard};
use tokio::sync::Mutex;
use self::config::{AniMeConfig, AniMeConfigCached};
use crate::error::RogError;
@@ -77,10 +77,6 @@ impl AniMe {
Ok(())
}
pub async fn lock_config(&self) -> MutexGuard<AniMeConfig> {
self.config.lock().await
}
pub async fn write_bytes(&self, message: &[u8]) -> Result<(), RogError> {
if let Some(hid) = &self.hid {
hid.lock().await.write_bytes(message)?;
@@ -231,10 +227,11 @@ impl AniMe {
})
.ok();
}
// A write can block for many milliseconds so lets not hold the config lock for
// the same period
let enabled = inner.config.lock().await.builtin_anims_enabled;
inner
.write_bytes(&pkt_set_enable_powersave_anim(
inner.config.lock().await.builtin_anims_enabled
))
.write_bytes(&pkt_set_enable_powersave_anim(enabled))
.await
.map_err(|err| {
warn!("rog_anime::run_animation:callback {}", err);