diff options
-rw-r--r-- | tools/tests/mce-test/tools/xen-mceinj.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/tests/mce-test/tools/xen-mceinj.c b/tools/tests/mce-test/tools/xen-mceinj.c index 1ca5c8c03c..4d72fe82ad 100644 --- a/tools/tests/mce-test/tools/xen-mceinj.c +++ b/tools/tests/mce-test/tools/xen-mceinj.c @@ -134,8 +134,12 @@ static int mca_cpuinfo(xc_interface *xc_handle) { struct xen_mc mc; + memset(&mc, 0, sizeof(struct xen_mc)); + mc.cmd = XEN_MC_physcpuinfo; - if (xc_mca_op(xc_handle, &mc)) + mc.interface_version = XEN_MCA_INTERFACE_VERSION; + + if (!xc_mca_op(xc_handle, &mc)) return mc.u.mc_physcpuinfo.ncpus; else return 0; |