diff mbox series

[PULL,25/25] target/i386: SEV: do not assume machine->cgs is SEV

Message ID 20240611142524.83762-26-pbonzini@redhat.com (mailing list archive)
State New
Headers show
Series [PULL,01/25] scsi-disk: Fix crash for VM configured with USB CDROM after live migration | expand

Commit Message

Paolo Bonzini June 11, 2024, 2:25 p.m. UTC 
There can be other confidential computing classes that are not derived
from sev-common.  Avoid aborting when encountering them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/sev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/i386/sev.c b/target/i386/sev.c
index c40562dce31..30b83f1d77d 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -1712,7 +1712,9 @@  void sev_es_set_reset_vector(CPUState *cpu)
 {
     X86CPU *x86;
     CPUX86State *env;
-    SevCommonState *sev_common = SEV_COMMON(MACHINE(qdev_get_machine())->cgs);
+    ConfidentialGuestSupport *cgs = MACHINE(qdev_get_machine())->cgs;
+    SevCommonState *sev_common = SEV_COMMON(
+        object_dynamic_cast(OBJECT(cgs), TYPE_SEV_COMMON));
 
     /* Only update if we have valid reset information */
     if (!sev_common || !sev_common->reset_data_valid) {