lkml.org 
[lkml]   [2021]   [Jul]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] tpm: ibmvtpm: Avoid error message when process gets signal while waiting
On Mon, Jul 12, 2021 at 12:25:05PM -0400, Stefan Berger wrote:
> From: Stefan Berger <stefanb@linux.ibm.com>
>
> When rngd is run as root then lots of these types of message will appear
> in the kernel log if the TPM has been configure to provide random bytes:
>
> [ 7406.275163] tpm tpm0: tpm_transmit: tpm_recv: error -4
>
> The issue is caused by the following call that is interrupted while
> waiting for the TPM's response.
>
> sig = wait_event_interruptible(ibmvtpm->wq,
> !ibmvtpm->tpm_processing_cmd);
>
> The solution is to use wait_event() instead.

Why?

/Jarkko

\
 
 \ /
  Last update: 2021-07-27 04:43    [W:0.246 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site