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[v3,03/15] rust/vmstate: Fix num field when varray flags are set

Message ID 20250318130219.1799170-4-zhao1.liu@intel.com (mailing list archive)
State New
Headers show
Series rust/vmstate: Clean up, fix, enhance & test | expand

Commit Message

Zhao Liu March 18, 2025, 1:02 p.m. UTC 
Array type vmstate has the VMStateField with `num` equals its length.

When the varray vmstate is built based a array type, the `num` field
should be cleaned to 0, because varray uses `num_offset` instead of
`num` to store elements number information.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
---
 rust/qemu-api/src/vmstate.rs | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/rust/qemu-api/src/vmstate.rs b/rust/qemu-api/src/vmstate.rs
index 9533b1250fa5..e3233303f204 100644
--- a/rust/qemu-api/src/vmstate.rs
+++ b/rust/qemu-api/src/vmstate.rs
@@ -275,6 +275,7 @@  pub const fn with_varray_flag<T: VMState>(mut self, flag: VMStateFlags) -> VMSta
         assert!((self.flags.0 & VMStateFlags::VMS_ARRAY.0) != 0);
         self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_ARRAY.0);
         self.flags = VMStateFlags(self.flags.0 | flag.0);
+        self.num = 0; // varray uses num_offset instead of num.
         self
     }