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

From: Nick Desaulniers
Date: Thu Sep 10 2020 - 13:27:17 EST


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