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-rw-r--r--scripts/kconfig/nconf.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index e0f965529166..0fb48f171b66 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -268,7 +268,7 @@ static int mwin_max_cols;
static MENU *curses_menu;
static ITEM *curses_menu_items[MAX_MENU_ITEMS];
static struct mitem k_menu_items[MAX_MENU_ITEMS];
-static int items_num;
+static unsigned int items_num;
static int global_exit;
/* the currently selected button */
static const char *current_instructions = menu_instructions;
@@ -496,8 +496,12 @@ typedef enum {MATCH_TINKER_PATTERN_UP, MATCH_TINKER_PATTERN_DOWN,
/* return the index of the matched item, or -1 if no such item exists */
static int get_mext_match(const char *match_str, match_f flag)
{
- int match_start = item_index(current_item(curses_menu));
- int index;
+ int match_start, index;
+
+ /* Do not search if the menu is empty (i.e. items_num == 0) */
+ match_start = item_index(current_item(curses_menu));
+ if (match_start == ERR)
+ return -1;
if (flag == FIND_NEXT_MATCH_DOWN)
++match_start;