Messages in this thread | | | Date | Fri, 8 Jan 2021 17:50:08 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH v2] proc_sysctl: fix oops caused by incorrect command parameters. |
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On Fri, 8 Jan 2021 21:10:25 +0100 Michal Hocko <mhocko@suse.com> wrote:
> > > Why would that matter? A missing value is clearly a error path and it > > > should be reported. > > > > This test is in the correct place. I think it's just a question of the > > return values. > > I was probably not clear. The test for val is at the right place. I > would just expect -EINVAL and have the generic code to report.
It does seem a bit screwy that process_sysctl_arg() returns zero in all situations (parse_args() is set up to handle an error return from it). But this patch is consistent with all the other error handling in process_sysctl_arg().
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