imx: ventana: fix hwconfig

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>

diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index ba648f5e255f6bc1a1797f09f7298711c0dc99ee..22a3c8e607eadf271f8b4fc50fd6adc58c518347 100644 (file)
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -739,7 +739,7 @@ int misc_init_r(void)
 
        /* Set a non-initialized hwconfig based on board configuration */
        if (!strcmp(getenv("hwconfig"), "_UNKNOWN_")) {
-               sprintf(buf, "hwconfig=");
+               buf[0] = 0;
                if (gpio_cfg[board_type].rs232_en)
                        strcat(buf, "rs232;");
                for (i = 0; i < gpio_cfg[board_type].dio_num; i++) {