linux-kernel - [PATCH 1/1] script/kconfig: remove a warning for menucofig

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Date:	Mon, 30 Jun 2014 11:16:27 +0800
From:	"Li, Zhen-Hua" <zhen-hual@...com>
To:	"Yann E. MORIN" <yann.morin.1998@...e.fr>,
	<linux-kbuild@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Cc:	"Li, Zhen-Hua" <zhen-hual@...com>
Subject: [PATCH 1/1] script/kconfig: remove a warning for menucofig

There is a warning when run "make menuconfig".

scripts/kconfig/menu.c: In function ‘get_symbol_str’:
scripts/kconfig/menu.c:591:18: warning: ‘jump’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
     jump->offset = strlen(r->s);
                  ^
scripts/kconfig/menu.c:551:19: note: ‘jump’ was declared here
  struct jump_key *jump;
                   ^

It is because the compiler think "jump" is not initialized, though in fact
it is already initialized.

Signed-off-by: Li, Zhen-Hua <zhen-hual@...com>
---
 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;
-- 
2.0.0-rc0

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