diff options
Diffstat (limited to 'libpager/data-request.c')
| -rw-r--r-- | libpager/data-request.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/libpager/data-request.c b/libpager/data-request.c index 34b8b438..82ce9041 100644 --- a/libpager/data-request.c +++ b/libpager/data-request.c @@ -22,22 +22,21 @@ /* Implement pagein callback as described in <mach/memory_object.defs>. */ kern_return_t -_pager_seqnos_memory_object_data_request (mach_port_t object, +_pager_seqnos_memory_object_data_request (struct pager *p, mach_port_seqno_t seqno, mach_port_t control, vm_offset_t offset, vm_size_t length, vm_prot_t access) { - struct pager *p; short *pm_entry; int doread, doerror; error_t err; vm_address_t page; int write_lock; - p = ports_lookup_port (0, object, _pager_class); - if (!p) + if (!p + || p->port.class != _pager_class) return EOPNOTSUPP; /* Acquire the right to meddle with the pagemap */ @@ -126,7 +125,6 @@ _pager_seqnos_memory_object_data_request (mach_port_t object, _pager_mark_object_error (p, offset, length, 0); _pager_allow_termination (p); pthread_mutex_unlock (&p->interlock); - ports_port_deref (p); return 0; error_read: @@ -136,7 +134,6 @@ _pager_seqnos_memory_object_data_request (mach_port_t object, pthread_mutex_lock (&p->interlock); _pager_allow_termination (p); pthread_mutex_unlock (&p->interlock); - ports_port_deref (p); return 0; allow_release_out: @@ -144,6 +141,5 @@ _pager_seqnos_memory_object_data_request (mach_port_t object, release_out: _pager_release_seqno (p, seqno); pthread_mutex_unlock (&p->interlock); - ports_port_deref (p); return 0; } |