diff options
Diffstat (limited to 'xen/common')
| -rw-r--r-- | xen/common/sched_arinc653.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/xen/common/sched_arinc653.c b/xen/common/sched_arinc653.c index 63ddb82bc6..2502192226 100644 --- a/xen/common/sched_arinc653.c +++ b/xen/common/sched_arinc653.c @@ -635,12 +635,21 @@ a653sched_adjust_global(const struct scheduler *ops, switch ( sc->cmd ) { case XEN_SYSCTL_SCHEDOP_putinfo: - copy_from_guest(&local_sched, sc->u.sched_arinc653.schedule, 1); + if ( copy_from_guest(&local_sched, sc->u.sched_arinc653.schedule, 1) ) + { + rc = -EFAULT; + break; + } + rc = arinc653_sched_set(ops, &local_sched); break; case XEN_SYSCTL_SCHEDOP_getinfo: rc = arinc653_sched_get(ops, &local_sched); - copy_to_guest(sc->u.sched_arinc653.schedule, &local_sched, 1); + if ( rc ) + break; + + if ( copy_to_guest(sc->u.sched_arinc653.schedule, &local_sched, 1) ) + rc = -EFAULT; break; } |