Re: [PATCH 1/2] kconfig: qconf: use delete[] instead of delete to free array (again)

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On Fri, Sep 11, 2020 at 2:24 AM 'Nick Desaulniers' via Clang Built
Linux <clang-built-linux@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Sep 8, 2020 at 3:17 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> >
> > Commit c9b09a9249e6 ("kconfig: qconf: use delete[] instead of delete
> > to free array") fixed two lines, but there is one more.
> > (cppcheck does not report it for some reason...)
> >
> > This was detected by Clang.
> >
> > "make HOSTCXX=clang++ xconfig" reports the following:
> >
> > scripts/kconfig/qconf.cc:1279:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'? [-Wmismatched-new-delete]
> >         delete data;
> >         ^
> >               []
> > scripts/kconfig/qconf.cc:1239:15: note: allocated with 'new[]' here
> >         char *data = new char[count + 1];
> >                      ^
> >
> > Fixes: c4f7398bee9c ("kconfig: qconf: make debug links work again")
> > Fixes: c9b09a9249e6 ("kconfig: qconf: use delete[] instead of delete to free array")
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
>
> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
>
> > ---
> >
> >  scripts/kconfig/qconf.cc | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
> > index 8638785328a7..c7216b9110fc 100644
> > --- a/scripts/kconfig/qconf.cc
> > +++ b/scripts/kconfig/qconf.cc
> > @@ -1276,7 +1276,7 @@ void ConfigInfoView::clicked(const QUrl &url)
> >         }
> >
> >         free(result);
> > -       delete data;
> > +       delete[] data;
> >  }
> >
> >  void ConfigInfoView::contextMenuEvent(QContextMenuEvent *event)
> > --
> > 2.25.1
> >
>
>
> --
> Thanks,
> ~Nick Desaulniers
>
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Applied to linux-kbuild/fixes.


-- 
Best Regards
Masahiro Yamada



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