From 15af36596ae305aefc8c502c2d3e8c58221709eb Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Fri, 6 Nov 2020 22:12:16 +0800 Subject: x86/mce: Correct the detection of invalid notifier priorities Commit c9c6d216ed28 ("x86/mce: Rename "first" function as "early"") changed the enumeration of MCE notifier priorities. Correct the check for notifier priorities to cover the new range. [ bp: Rewrite commit message, remove superfluous brackets in conditional. ] Fixes: c9c6d216ed28 ("x86/mce: Rename "first" function as "early"") Signed-off-by: Zhen Lei Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20201106141216.2062-2-thunder.leizhen@huawei.com --- arch/x86/kernel/cpu/mce/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/x86/kernel/cpu/mce/core.c') diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 888248ae0b39..ccac4c2fad46 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -162,7 +162,8 @@ EXPORT_SYMBOL_GPL(mce_log); void mce_register_decode_chain(struct notifier_block *nb) { - if (WARN_ON(nb->priority > MCE_PRIO_MCELOG && nb->priority < MCE_PRIO_EDAC)) + if (WARN_ON(nb->priority < MCE_PRIO_LOWEST || + nb->priority > MCE_PRIO_HIGHEST)) return; blocking_notifier_chain_register(&x86_mce_decoder_chain, nb); -- cgit v1.2.3