Aw: Re: [PATCH] kconfig: Fix warning "âjumpâ may be used uninitialized"

From: Peter Kuemmel
Date: Thu Nov 06 2014 - 09:13:39 EST


They are identical.
lkml is also listed by ./scripts/get_maintainer.pl, so I thought patches should also be send to lkml.

Peter

> Gesendet: Donnerstag, 06. November 2014 um 13:36 Uhr
> Von: "Paul Bolle" <pebolle@xxxxxxxxxx>
> An: "Peter KÃmmel" <syntheticpp@xxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Betreff: Re: [PATCH] kconfig: Fix warning "âjumpâ may be used uninitialized"
>
> On Thu, 2014-11-06 at 13:03 +0100, Peter KÃmmel wrote:
> > Warning:
> > In file included from scripts/kconfig/zconf.tab.c:2537:0:
> > scripts/kconfig/menu.c: In function âget_symbol_strâ:
> > scripts/kconfig/menu.c:590:18: warning: âjumpâ may be used uninitialized in this function [-Wmaybe-uninitialized]
> > jump->offset = strlen(r->s);
> >
> > Simplifies the test logic because (head && local) means (jump != 0)
> > and makes GCC happy when checking if the jump pointer was initialized.
> >
> > Signed-off-by: Peter KÃmmel <syntheticpp@xxxxxxx>
> > ---
>
> Is this patch and the three others patches you just sent identical (or
> not) to the four patches you sent yesterday and the day before yesterday
> to linux-kbuild and Yann Morin? Either way, why are you posting them to
> lkml now?
>
> > scripts/kconfig/menu.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
> > index a26cc5d..72c9dba 100644
> > --- a/scripts/kconfig/menu.c
> > +++ b/scripts/kconfig/menu.c
> > @@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
> > {
> > int i, j;
> > struct menu *submenu[8], *menu, *location = NULL;
> > - struct jump_key *jump;
> > + struct jump_key *jump = NULL;
> >
> > str_printf(r, _("Prompt: %s\n"), _(prop->text));
> > menu = prop->menu->parent;
> > @@ -586,7 +586,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
> > str_printf(r, _(" Location:\n"));
> > for (j = 4; --i >= 0; j += 2) {
> > menu = submenu[i];
> > - if (head && location && menu == location)
> > + if (jump && menu == location)
> > jump->offset = strlen(r->s);
> > str_printf(r, "%*c-> %s", j, ' ',
> > _(menu_get_prompt(menu)));
>
>
>
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