Remove local variable shadowing to avoid a warning

diff --git a/hostapd/wps_hostapd.c b/hostapd/wps_hostapd.c
index 1c2cffe..5e9f6b6 100644 (file)
--- a/hostapd/wps_hostapd.c
+++ b/hostapd/wps_hostapd.c
@@ -220,13 +220,13 @@ static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
        if ((hapd->conf->wps_cred_processing == 1 ||
             hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
                size_t blen = cred->cred_attr_len * 2 + 1;
-               char *buf = os_malloc(blen);
-               if (buf) {
-                       wpa_snprintf_hex(buf, blen,
+               char *_buf = os_malloc(blen);
+               if (_buf) {
+                       wpa_snprintf_hex(_buf, blen,
                                         cred->cred_attr, cred->cred_attr_len);
                        wpa_msg(hapd, MSG_INFO, "%s%s",
-                               WPS_EVENT_NEW_AP_SETTINGS, buf);
-                       os_free(buf);
+                               WPS_EVENT_NEW_AP_SETTINGS, _buf);
+                       os_free(_buf);
                }
        } else
                wpa_msg(hapd, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);