From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

qemu_file_get_fd() may fail, and return -1 in this case.
We don't support passing "invalid" file descriptors (like -1),
so we should not interpret error here like invalid descriptor.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/qemu-devel/20260114064710.176268-2-vsementsov@yandex-team.ru
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 migration/vmstate-types.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/migration/vmstate-types.c b/migration/vmstate-types.c
index 4b01dc19c2..e34bf4486e 100644
--- a/migration/vmstate-types.c
+++ b/migration/vmstate-types.c
@@ -321,12 +321,21 @@ const VMStateInfo vmstate_info_uint64 = {
 static int get_fd(QEMUFile *f, void *pv, size_t size,
                   const VMStateField *field)
 {
+    int fd;
     int32_t *v = pv;
+
     if (migrate_mode() == MIG_MODE_CPR_EXEC) {
         qemu_get_sbe32s(f, v);
         return 0;
     }
-    *v = qemu_file_get_fd(f);
+
+    fd = qemu_file_get_fd(f);
+    if (fd < 0) {
+        return -1;
+    }
+
+    *v = fd;
+
     return 0;
 }
 
-- 
2.51.0