diff mbox series

[v5,1/6] target/i386: Check kvm_hyperv_expand_features() return value

Message ID 20230913093009.83520-2-philmd@linaro.org
State Superseded
Headers show
Series target/i386: Restrict system-specific features from user emulation | expand

Commit Message

Philippe Mathieu-Daudé Sept. 13, 2023, 9:30 a.m. UTC 
In case more code is added after the kvm_hyperv_expand_features()
call, check its return value (since it can fail).

Fixes: 071ce4b03b ("i386: expand Hyper-V features during CPU feature expansion time")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/i386/cpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 24ee67b42d..bd6a932d08 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -7121,8 +7121,8 @@  void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
         env->cpuid_xlevel2 = env->cpuid_min_xlevel2;
     }
 
-    if (kvm_enabled()) {
-        kvm_hyperv_expand_features(cpu, errp);
+    if (kvm_enabled() && !kvm_hyperv_expand_features(cpu, errp)) {
+        return;
     }
 }