From 2e22b8bc3a4f35320d29feed257d54f4b1ec46aa Mon Sep 17 00:00:00 2001
From: Wei Liu <liuwe@microsoft.com>
Date: Thu, 9 Jan 2025 02:00:22 +0000
Subject: [PATCH] pci: use C ABI-qualification for a packed structure

Signed-off-by: Wei Liu <liuwe@microsoft.com>
---
 pci/src/configuration.rs | 2 +-
 pci/src/msix.rs          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pci/src/configuration.rs b/pci/src/configuration.rs
index 608f53a55..f1ebb4ca2 100644
--- a/pci/src/configuration.rs
+++ b/pci/src/configuration.rs
@@ -1159,7 +1159,7 @@ mod tests {
 
     use super::*;
 
-    #[repr(packed)]
+    #[repr(C, packed)]
     #[derive(Clone, Copy, Default)]
     #[allow(dead_code)]
     struct TestCap {
diff --git a/pci/src/msix.rs b/pci/src/msix.rs
index e72347776..cf113f4c8 100644
--- a/pci/src/msix.rs
+++ b/pci/src/msix.rs
@@ -456,7 +456,7 @@ impl Snapshottable for MsixConfig {
 }
 
 #[allow(dead_code)]
-#[repr(packed)]
+#[repr(C, packed)]
 #[derive(Clone, Copy, Default, Serialize, Deserialize)]
 pub struct MsixCap {
     // Message Control Register