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[3.17-rc5] kconfig: Suppress warning: ‘jump’ may be used uninitialized

Message ID 1410893442-17181-1-git-send-email-tim.gardner@canonical.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tim Gardner Sept. 16, 2014, 6:50 p.m. UTC 
From: Tim Gardner <tim.gardner@canonical.com>

In file included from scripts/kconfig/zconf.tab.c:2537:0:
scripts/kconfig/menu.c: In function ‘get_symbol_str’:
scripts/kconfig/menu.c:590:18: 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;
                   ^
  HOSTLD  scripts/kconfig/conf

gcc 4.9.1

Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
---

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(-)
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Patch

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;