From: Paolo Bonzini <pbonzini@redhat.com>
Date: Wed, 26 Nov 2025 12:39:08 +0000 (+0100)
Subject: rust: do not copy the SysBusDevice
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebf3fb9a531a14ef4159ac9da874294e74560c54;p=thirdparty%2Fqemu.git

rust: do not copy the SysBusDevice

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/rust/hw/core/src/sysbus.rs b/rust/hw/core/src/sysbus.rs
index 68165e8929..ec620639be 100644
--- a/rust/hw/core/src/sysbus.rs
+++ b/rust/hw/core/src/sysbus.rs
@@ -78,7 +78,7 @@ where
         assert!(bql::is_locked());
         // SAFETY: the BQL ensures that no one else writes to sbd.mmio[], and
         // the SysBusDevice must be initialized to get an IsA<SysBusDevice>.
-        let sbd = unsafe { *self.upcast().as_ptr() };
+        let sbd = unsafe { &*self.upcast().as_ptr() };
         let id: usize = id.try_into().unwrap();
         if sbd.mmio[id].memory.is_null() {
             None