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s390x/ipl: avoid sign extension

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Make s390_update_iplstate() return uint32_t to avoid sign extensions
for cssids > 127. While this doesn't matter in practice yet (as
nobody supports MCSS-E and thus won't see the real cssid), play safe.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Cornelia Huck 2015-03-26 10:41:45 +01:00
parent f65025caab
commit fa92e218df
1 changed files with 1 additions and 1 deletions
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2
hw/s390x/ipl.c
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@ -218,7 +218,7 @@ static Property s390_ipl_properties[] = {
* - -1 if no valid boot device was found
* - ccw id of the boot device otherwise
*/
static uint64_t s390_update_iplstate(CPUS390XState *env, S390IPLState *ipl)
static uint32_t s390_update_iplstate(CPUS390XState *env, S390IPLState *ipl)
{
DeviceState *dev_st;