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Diffstat (limited to 'ipc/ipc_object.c')
-rw-r--r--ipc/ipc_object.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/ipc/ipc_object.c b/ipc/ipc_object.c
index 2d84cf5..320fbcb 100644
--- a/ipc/ipc_object.c
+++ b/ipc/ipc_object.c
@@ -155,11 +155,12 @@ ipc_object_alloc_dead(
ipc_entry_t entry;
kern_return_t kr;
-
+ is_write_lock(space);
kr = ipc_entry_alloc(space, namep, &entry);
- if (kr != KERN_SUCCESS)
+ if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
return kr;
- /* space is write-locked */
+ }
/* null object, MACH_PORT_TYPE_DEAD_NAME, 1 uref */
@@ -191,11 +192,12 @@ ipc_object_alloc_dead_name(
ipc_entry_t entry;
kern_return_t kr;
-
+ is_write_lock(space);
kr = ipc_entry_alloc_name(space, name, &entry);
- if (kr != KERN_SUCCESS)
+ if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
return kr;
- /* space is write-locked */
+ }
if (ipc_right_inuse(space, name, entry))
return KERN_NAME_EXISTS;
@@ -254,12 +256,13 @@ ipc_object_alloc(
memset(pset, 0, sizeof(*pset));
}
+ is_write_lock(space);
kr = ipc_entry_alloc(space, namep, &entry);
if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
io_free(otype, object);
return kr;
}
- /* space is write-locked */
entry->ie_bits |= type | urefs;
entry->ie_object = object;
@@ -321,12 +324,13 @@ ipc_object_alloc_name(
memset(pset, 0, sizeof(*pset));
}
+ is_write_lock(space);
kr = ipc_entry_alloc_name(space, name, &entry);
if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
io_free(otype, object);
return kr;
}
- /* space is write-locked */
if (ipc_right_inuse(space, name, entry)) {
io_free(otype, object);
@@ -753,10 +757,12 @@ ipc_object_copyout_name(
assert(IO_VALID(object));
assert(io_otype(object) == IOT_PORT);
+ is_write_lock(space);
kr = ipc_entry_alloc_name(space, name, &entry);
- if (kr != KERN_SUCCESS)
+ if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
return kr;
- /* space is write-locked and active */
+ }
if ((msgt_name != MACH_MSG_TYPE_PORT_SEND_ONCE) &&
ipc_right_reverse(space, object, &oname, &oentry)) {
@@ -930,10 +936,12 @@ ipc_object_rename(
ipc_entry_t oentry, nentry;
kern_return_t kr;
+ is_write_lock(space);
kr = ipc_entry_alloc_name(space, nname, &nentry);
- if (kr != KERN_SUCCESS)
+ if (kr != KERN_SUCCESS) {
+ is_write_unlock(space);
return kr;
- /* space is write-locked and active */
+ }
if (ipc_right_inuse(space, nname, nentry)) {
/* space is unlocked */