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ANDROID: modules: fix lockprove warning

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Need to disable preemption before using rcu_dereference_sched().

Bug: 157383682
Change-Id: I5f7c0a222bac35c5fa58cdd9f4cf71cb422a01cd
Signed-off-by: Neal Liu <neal.liu@mediatek.com>
This commit is contained in:
Neal Liu 2020-05-22 17:44:35 +08:00 committed by Alistair Delva
parent e330bec717
commit 993c7bb78b
1 changed files with 2 additions and 0 deletions
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2
kernel/module.c
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@ -4171,8 +4171,10 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
static void cfi_init(struct module *mod)
{
#ifdef CONFIG_CFI_CLANG
preempt_disable();
mod->cfi_check =
(cfi_check_fn)mod_find_symname(mod, CFI_CHECK_FN_NAME);
preempt_enable();
cfi_module_add(mod, module_addr_min, module_addr_max);
#endif
}