From: "Steven Rostedt (Google)" <rost...@goodmis.org> In preparation to remove the second parameter of __assign_str(), make sure it is really a duplicate of __string() by adding a WARN_ON_ONCE().
Signed-off-by: Steven Rostedt (Google) <rost...@goodmis.org> --- Changes since v1: https://lore.kernel.org/linux-trace-kernel/20240223154821.77b24...@gandalf.local.home/ - If src is NULL it is saved as NULL, no need to not test that too. include/trace/stages/stage6_event_callback.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/trace/stages/stage6_event_callback.h b/include/trace/stages/stage6_event_callback.h index 0c0f50bcdc56..935608971899 100644 --- a/include/trace/stages/stage6_event_callback.h +++ b/include/trace/stages/stage6_event_callback.h @@ -35,6 +35,7 @@ do { \ char *__str__ = __get_str(dst); \ int __len__ = __get_dynamic_array_len(dst) - 1; \ + WARN_ON_ONCE((src) != __data_offsets.dst##_ptr_); \ memcpy(__str__, __data_offsets.dst##_ptr_ ? : \ EVENT_NULL_STR, __len__); \ __str__[__len__] = '\0'; \ -- 2.43.0
