diff options
Diffstat (limited to 'kern/ipc_mig.c')
| -rw-r--r-- | kern/ipc_mig.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kern/ipc_mig.c b/kern/ipc_mig.c index cc61ec76..22dac420 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; \ } \ \ |