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-rw-r--r--arch/s390/kernel/sthyi.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/kernel/sthyi.c b/arch/s390/kernel/sthyi.c
index 0859cde36f75..888cc2f166db 100644
--- a/arch/s390/kernel/sthyi.c
+++ b/arch/s390/kernel/sthyi.c
@@ -183,17 +183,19 @@ static void fill_hdr(struct sthyi_sctns *sctns)
static void fill_stsi_mac(struct sthyi_sctns *sctns,
struct sysinfo_1_1_1 *sysinfo)
{
+ sclp_ocf_cpc_name_copy(sctns->mac.infmname);
+ if (*(u64 *)sctns->mac.infmname != 0)
+ sctns->mac.infmval1 |= MAC_NAME_VLD;
+
if (stsi(sysinfo, 1, 1, 1))
return;
- sclp_ocf_cpc_name_copy(sctns->mac.infmname);
-
memcpy(sctns->mac.infmtype, sysinfo->type, sizeof(sctns->mac.infmtype));
memcpy(sctns->mac.infmmanu, sysinfo->manufacturer, sizeof(sctns->mac.infmmanu));
memcpy(sctns->mac.infmpman, sysinfo->plant, sizeof(sctns->mac.infmpman));
memcpy(sctns->mac.infmseq, sysinfo->sequence, sizeof(sctns->mac.infmseq));
- sctns->mac.infmval1 |= MAC_ID_VLD | MAC_NAME_VLD;
+ sctns->mac.infmval1 |= MAC_ID_VLD;
}
static void fill_stsi_par(struct sthyi_sctns *sctns,