From 3335ddddf9e5ba7743dc8e3f767f4ef857ccd20c Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 1 Jul 2015 15:28:06 +0200 Subject: s390x/event-facility: fix receive mask check For selective read event, we need to check if any event is requested that is not active instead of whether none of the requested events is active. Reviewed-by: David Hildenbrand Reviewed-by: Eric Farman Signed-off-by: Cornelia Huck --- hw/s390x/event-facility.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'hw/s390x') diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c index 0c700effb1..1ca6544e44 100644 --- a/hw/s390x/event-facility.c +++ b/hw/s390x/event-facility.c @@ -240,12 +240,13 @@ static void read_event_data(SCLPEventFacility *ef, SCCB *sccb) sclp_active_selection_mask = sclp_cp_receive_mask; break; case SCLP_SELECTIVE_READ: - if (!(sclp_cp_receive_mask & be32_to_cpu(red->mask))) { + sclp_active_selection_mask = be32_to_cpu(red->mask); + if (!sclp_cp_receive_mask || + (sclp_active_selection_mask & ~sclp_cp_receive_mask)) { sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SELECTION_MASK); goto out; } - sclp_active_selection_mask = be32_to_cpu(red->mask); break; default: sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_FUNCTION); -- cgit v1.2.3