Re: [PATCH] edac:Fix kernel panic regression in edac_mc_reset_delay_period due to missing mode operation check

From: Borislav Petkov
Date: Fri May 20 2016 - 04:43:09 EST


On Thu, May 19, 2016 at 06:45:58PM -0400, Nicholas Krause wrote:
> This fixes a kernel panic regression in the function,
> edac_mc_reset_delay_period as show by this kernel panic
> trace:

...

> drivers/edac/edac_mc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
> index 6aa256b0..c3ee3ad 100644
> --- a/drivers/edac/edac_mc.c
> +++ b/drivers/edac/edac_mc.c
> @@ -565,7 +565,8 @@ void edac_mc_reset_delay_period(unsigned long value)
> list_for_each(item, &mc_devices) {
> mci = list_entry(item, struct mem_ctl_info, link);
>
> - edac_mod_work(&mci->work, value);
> + if (mci->op_state == OP_RUNNING_POLL)
> + edac_mod_work(&mci->work, value);
> }
> mutex_unlock(&mem_ctls_mutex);
> }
> --

Looks good to me. I'll apply it after the merge window is over.

Thanks.

--
Regards/Gruss,
Boris.

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