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ANDROID: Disable kthread delayed work fp check in CFI builds

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With non-canonical CFI, LLVM generates jump table entries for external
symbols in modules and as a result, a function pointer passed from a
module to the core kernel will have a different address.

Disable the warning for now.

Bug: 145210207
Signed-off-by: Daniel Mentz <danielmentz@google.com>
Change-Id: I576a07206a465902773481e51a84529f0ac2e84b
This commit is contained in:
Daniel Mentz 2020-09-24 17:01:20 -07:00 committed by Alistair Delva
parent f4c28ebfcd
commit 2318165502
1 changed files with 2 additions and 0 deletions
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2
kernel/kthread.c
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@ -886,7 +886,9 @@ static void __kthread_queue_delayed_work(struct kthread_worker *worker,
struct timer_list *timer = &dwork->timer;
struct kthread_work *work = &dwork->work;
#ifndef CONFIG_CFI_CLANG
WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
#endif
/*
* If @delay is 0, queue @dwork->work immediately. This is for