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-rw-r--r--vm/vm_object.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/vm/vm_object.c b/vm/vm_object.c
index 71c0edb..8c6bbab 100644
--- a/vm/vm_object.c
+++ b/vm/vm_object.c
@@ -1336,16 +1336,6 @@ kern_return_t vm_object_copy_call(
vm_page_t p;
/*
- * Set the backing object for the new
- * temporary object.
- */
-
- assert(src_object->ref_count > 0);
- src_object->ref_count++;
- vm_object_paging_begin(src_object);
- vm_object_unlock(src_object);
-
- /*
* Create a memory object port to be associated
* with this new vm_object.
*
@@ -1358,10 +1348,18 @@ kern_return_t vm_object_copy_call(
*/
new_memory_object = ipc_port_alloc_kernel();
- if (new_memory_object == IP_NULL) {
- panic("vm_object_copy_call: allocate memory object port");
- /* XXX Shouldn't panic here. */
- }
+ if (new_memory_object == IP_NULL)
+ return KERN_RESOURCE_SHORTAGE;
+
+ /*
+ * Set the backing object for the new
+ * temporary object.
+ */
+
+ assert(src_object->ref_count > 0);
+ src_object->ref_count++;
+ vm_object_paging_begin(src_object);
+ vm_object_unlock(src_object);
/* we hold a naked receive right for new_memory_object */
(void) ipc_port_make_send(new_memory_object);