Re: [PATCH 1/1] script/kconfig: remove a warning for menucofig

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On 30.06.2014 05:16, Li, Zhen-Hua wrote:
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@xxxxxx>
---
  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;

Hello Zhen-Hua,

the patch looks incomplete to me. A check
jump != NULL
should be added before accessing parts of structure jump_key.

Best regards

Heinrich Schuchardt
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