vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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 <dahi@linux.vnet.ibm.com>
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
master
Cornelia Huck 2015-07-01 15:28:06 +02:00
parent fa4463e043
commit 3335ddddf9
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hw/s390x/event-facility.c
View File

@ -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);