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Merge tag 'livepatching-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

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Pull livepatching updates from Petr Mladek:

 - Support both paths where tracefs is typically mounted in selftests

 - Make old_sympos 0 and 1 equal. They both are valid when there is only
   one symbol with the given name.

* tag 'livepatching-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  selftests: livepatch: use canonical ftrace path
  livepatch: Match old_sympos 0 and 1 in klp_find_func()
This commit is contained in:
Linus Torvalds
2025-12-03 13:46:48 -08:00
parent 02baaa67d9 5cb5575308
commit 51ab33fc0a
2 changed files with 12 additions and 2 deletions
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8
kernel/livepatch/core.c
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@@ -88,8 +88,14 @@ static struct klp_func *klp_find_func(struct klp_object *obj,
struct klp_func *func;
klp_for_each_func(obj, func) {
/*
* Besides identical old_sympos, also consider old_sympos
* of 0 and 1 are identical.
*/
if ((strcmp(old_func->old_name, func->old_name) == 0) &&
(old_func->old_sympos == func->old_sympos)) {
((old_func->old_sympos == func->old_sympos) ||
(old_func->old_sympos == 0 && func->old_sympos == 1) ||
(old_func->old_sympos == 1 && func->old_sympos == 0))) {
return func;
}
}