WPS: Allow config_methods to be cleared with an empty string

Signed-off-by: Jouni Malinen <j@w1.fi>

diff --git a/src/wps/wps_common.c b/src/wps/wps_common.c
index 16d466e..88f85fe 100644 (file)
--- a/src/wps/wps_common.c
+++ b/src/wps/wps_common.c
@@ -528,7 +528,7 @@ u16 wps_config_methods_str2bin(const char *str)
 {
        u16 methods = 0;
 
-       if (str == NULL) {
+       if (str == NULL || str[0] == '\0') {
                /* Default to enabling methods based on build configuration */
                methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
                methods |= WPS_CONFIG_VIRT_DISPLAY;