On Fri, 11 Oct 2019 19:04:16 +0300
Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> wrote:
> If we want to add some info to errp (by error_prepend() or
> error_append_hint()), we must use the ERRP_AUTO_PROPAGATE macro.
> Otherwise, this info will not be added when errp == &fatal_err
> (the program will exit prior to the error_append_hint() or
> error_prepend() call). Fix such cases.
>
> If we want to check error after errp-function call, we need to
> introduce local_err and than propagate it to errp. Instead, use
> ERRP_AUTO_PROPAGATE macro, benefits are:
> 1. No need of explicit error_propagate call
> 2. No need of explicit local_err variable: use errp directly
> 3. ERRP_AUTO_PROPAGATE leaves errp as is if it's not NULL or
> &error_fatel, this means that we don't break error_abort
> (we'll abort on error_set, not on error_propagate)
>
> This commit (together with its neighbors) was generated by
>
> for f in $(git grep -l errp \*.[ch]); do \
> spatch --sp-file scripts/coccinelle/auto-propagated-errp.cocci \
> --macro-file scripts/cocci-macro-file.h --in-place --no-show-diff $f; \
> done;
>
> then fix a bit of compilation problems: coccinelle for some reason
> leaves several
> f() {
> ...
> goto out;
> ...
> out:
> }
> patterns, with "out:" at function end.
>
> then
> ./python/commit-per-subsystem.py MAINTAINERS "$(< auto-msg)"
>
> (auto-msg was a file with this commit message)
>
> Still, for backporting it may be more comfortable to use only the first
> command and then do one huge commit.
>
> Reported-by: Kevin Wolf <kw...@redhat.com>
> Reported-by: Greg Kurz <gr...@kaod.org>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
> ---
> target/ppc/kvm.c | 8 ++++----
> target/s390x/cpu_models.c | 2 ++
This grouping seems a bit unintuitive :)
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
s390x part:
Reviewed-by: Cornelia Huck <coh...@redhat.com>
