mce: Fix mcheck_mca_logout to increase errcnt when valid entry found.

Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>

diff --git a/xen/arch/x86/cpu/mcheck/mce.c b/xen/arch/x86/cpu/mcheck/mce.c
index cf0ca5fec42069e78c4c9f142dc0ca389bb0e734..efbf2d2c4427f860208d6696b1d6c6b94a4e65a7 100644 (file)
--- a/xen/arch/x86/cpu/mcheck/mce.c
+++ b/xen/arch/x86/cpu/mcheck/mce.c
@@ -282,7 +282,7 @@ mctelem_cookie_t mcheck_mca_logout(enum mca_source who, cpu_banks_t bankmask,
                 * depending on whethere we are called from an exception or
                 * a poller;  this can fail (for example dom0 may not
                 * yet have consumed past telemetry). */
-               if (errcnt == 0) {
+               if (errcnt++ == 0) {
                        if ( (mctc = mctelem_reserve(which)) != NULL ) {
                                mci = mctelem_dataptr(mctc);
                                mcinfo_clear(mci);