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SubjectRe: [PATCH] coccicheck: return proper error code on check fail


On Fri, 10 Aug 2018, efremov@linux.com wrote:

> If coccicheck finds errors,

What do you mean by finds errors? Do you mean that there is an error in
the behavior of coccicheck or that coccicheck finds an error in the source
code?

To put it another way, can you give an example of the kind of error you
are concerned about?

thanks,
julia

> it should return an error code
> distinct from zero. Current code instead of exiting with an
> error code of coccinelle returns error code of
> 'echo "coccicheck failed"' which is almost always equals to zero,
> thus failing original intention of alerting about errors.
> This patch fixes the problem.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Denis Efremov <efremov@linux.com>
> ---
> scripts/coccicheck | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/coccicheck b/scripts/coccicheck
> index 9fedca611b7f..e04d328210ac 100755
> --- a/scripts/coccicheck
> +++ b/scripts/coccicheck
> @@ -128,9 +128,10 @@ run_cmd_parmap() {
> fi
> echo $@ >>$DEBUG_FILE
> $@ 2>>$DEBUG_FILE
> - if [[ $? -ne 0 ]]; then
> + err=$?
> + if [[ $err -ne 0 ]]; then
> echo "coccicheck failed"
> - exit $?
> + exit $err
> fi
> }
>
> --
> 2.17.1
>
>

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