linux-kernel - Re: [PATCH 1/2] x86/MCE/AMD: Check for NULL banks in THR interrupt handler

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Date:   Thu, 9 Aug 2018 18:15:48 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Yazen Ghannam <Yazen.Ghannam@....com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        tony.luck@...el.com, x86@...nel.org
Subject: Re: [PATCH 1/2] x86/MCE/AMD: Check for NULL banks in THR interrupt
 handler

On Thu, Aug 09, 2018 at 09:08:33AM -0500, Yazen Ghannam wrote:
> From: Yazen Ghannam <yazen.ghannam@....com>
> 
> If threshold_init_device() fails then per_cpu(threshold_banks) will be
> deallocated. The thresholding interrupt handler will still be active, so

So fix the code so that *that* doesn't happen instead of adding checks
to the interrupt handler.

I.e.,

	if (err) {
		mce_threshold_vector = default_threshold_interrupt;
		return err;
	}

-- 
Regards/Gruss,
    Boris.

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