diff options
Diffstat (limited to 'kern')
| -rw-r--r-- | kern/exception.c | 18 | ||||
| -rw-r--r-- | kern/ipc_mig.c | 14 |
2 files changed, 11 insertions, 21 deletions
diff --git a/kern/exception.c b/kern/exception.c index 7954fba..6e84c0a 100644 --- a/kern/exception.c +++ b/kern/exception.c @@ -603,30 +603,18 @@ exception_raise( ip_unlock(reply_port); { - ipc_entry_t table; + kern_return_t kr; ipc_entry_t entry; - mach_port_index_t index; - - /* optimized ipc_entry_get */ - - table = space->is_table; - index = table->ie_next; - if (index == 0) + kr = ipc_entry_get (space, &exc->Head.msgh_remote_port, &entry); + if (kr) goto abort_copyout; - - entry = &table[index]; - table->ie_next = entry->ie_next; - entry->ie_request = 0; - { mach_port_gen_t gen; assert((entry->ie_bits &~ IE_BITS_GEN_MASK) == 0); gen = entry->ie_bits + IE_BITS_GEN_ONE; - exc->Head.msgh_remote_port = MACH_PORT_MAKE(index, gen); - /* optimized ipc_right_copyout */ entry->ie_bits = gen | (MACH_PORT_TYPE_SEND_ONCE | 1); diff --git a/kern/ipc_mig.c b/kern/ipc_mig.c index cc61ec7..22dac42 100644 --- a/kern/ipc_mig.c +++ b/kern/ipc_mig.c @@ -310,16 +310,18 @@ mig_strncpy(dest, src, len) MACRO_BEGIN \ ipc_space_t space = current_space(); \ ipc_entry_t entry; \ - mach_port_index_t index = MACH_PORT_INDEX(name); \ \ is_read_lock(space); \ assert(space->is_active); \ \ - if ((index >= space->is_table_size) || \ - (((entry = &space->is_table[index])->ie_bits & \ - (IE_BITS_GEN_MASK|MACH_PORT_TYPE_SEND)) != \ - (MACH_PORT_GEN(name) | MACH_PORT_TYPE_SEND))) { \ - is_read_unlock(space); \ + entry = ipc_entry_lookup (space, name); \ + if (entry == IE_NULL) { \ + is_read_unlock (space); \ + abort; \ + } \ + \ + if (IE_BITS_TYPE (entry->ie_bits) != MACH_PORT_TYPE_SEND) { \ + is_read_unlock (space); \ abort; \ } \ \ |