ntdll: Add tests for NULL object attributes.

dlls/ntdll/file.c

@@ -3513,6 +3513,8 @@ NTSTATUS WINAPI NtCreateNamedPipeFile( PHANDLE handle, ULONG access,
           options, pipe_type, read_mode, completion_mode, max_inst, inbound_quota,
           outbound_quota, timeout);
 
+    if (!attr) return STATUS_INVALID_PARAMETER;
+
     /* assume we only get relative timeout */
     if (timeout->QuadPart > 0)
         FIXME("Wrong time %s\n", wine_dbgstr_longlong(timeout->QuadPart));
@@ -3637,7 +3639,6 @@ NTSTATUS WINAPI NtCreateMailslotFile(PHANDLE pHandle, ULONG DesiredAccess,
 
     if (!pHandle) return STATUS_ACCESS_VIOLATION;
     if (!attr) return STATUS_INVALID_PARAMETER;
-    if (!attr->ObjectName) return STATUS_OBJECT_PATH_SYNTAX_BAD;
 
     if ((ret = alloc_object_attributes( attr, &objattr, &len ))) return ret;
 

dlls/ntdll/om.c

@@ -623,7 +623,7 @@ NTSTATUS WINAPI NtCreateSymbolicLinkObject(OUT PHANDLE SymbolicLinkHandle,IN ACC
     data_size_t len;
     struct object_attributes *objattr;
 
-    if (!SymbolicLinkHandle || !TargetName) return STATUS_ACCESS_VIOLATION;
+    if (!SymbolicLinkHandle || !attr || !TargetName) return STATUS_ACCESS_VIOLATION;
     if (!TargetName->Buffer) return STATUS_INVALID_PARAMETER;
 
     TRACE("(%p,0x%08x,%s -> %s)\n", SymbolicLinkHandle, DesiredAccess,

dlls/ntdll/tests/file.c

@@ -1158,20 +1158,6 @@ static void nt_mailslot_test(void)
     if  (rc == STATUS_SUCCESS) pNtClose(hslot);
 
     /*
-     * Test handling of a NULL unicode string in ObjectName
-     */
-    InitializeObjectAttributes(&attr, &str, OBJ_CASE_INSENSITIVE, 0, NULL);
-    attr.ObjectName = NULL;
-    rc = pNtCreateMailslotFile(&hslot, DesiredAccess,
-         &attr, &IoStatusBlock, CreateOptions, MailslotQuota, MaxMessageSize,
-         &TimeOut);
-    ok( rc == STATUS_OBJECT_PATH_SYNTAX_BAD ||
-        rc == STATUS_INVALID_PARAMETER,
-        "rc = %x not STATUS_OBJECT_PATH_SYNTAX_BAD or STATUS_INVALID_PARAMETER\n", rc);
-
-    if  (rc == STATUS_SUCCESS) pNtClose(hslot);
-
-    /*
      * Test a valid call
      */
     InitializeObjectAttributes(&attr, &str, OBJ_CASE_INSENSITIVE, 0, NULL);