[PATCH 3.17-rc5] kconfig: Suppress warning: âjumpâ may be used uninitialized

From: tim . gardner
Date: Tue Sep 16 2014 - 14:50:59 EST

From: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>

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);
scripts/kconfig/menu.c:551:19: note: âjumpâ was declared here
struct jump_key *jump;
HOSTLD scripts/kconfig/conf

gcc 4.9.1

Cc: "Yann E. MORIN" <yann.morin.1998@xxxxxxx>
Signed-off-by: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>

Is gcc 4.9 dumber then 4.8 ? gcc 4.8 doesn't produce this warning.

scripts/kconfig/menu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index a26cc5d..584e0fc 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;

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