If the KVM_CHECK_EXTENSION ioctl returns an error, it indicates a serious
error, not that the extension is not supported. Fix kvm_check_extension()
to report the error in this case.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
kvm-all.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 0ac4b1e..241aaa2 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -326,7 +326,8 @@ int kvm_check_extension(KVMState *s, unsigned int extension)
ret = kvm_ioctl(s, KVM_CHECK_EXTENSION, extension);
if (ret < 0) {
- ret = 0;
+ fprintf(stderr, "KVM_CHECK_EXTENSION failed: %s\n", strerror(-ret));
+ exit(1);
}
return ret;
--
1.6.0.6
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