nl80211: Add more debug info on NL80211_ATTR_STA_VLAN failures

diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 6ea2999..877cde0 100644 (file)
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -4503,6 +4503,7 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr,
        struct i802_bss *bss = priv;
        struct wpa_driver_nl80211_data *drv = bss->drv;
        struct nl_msg *msg;
+       int ret = -ENOBUFS;
 
        msg = nlmsg_alloc();
        if (!msg)
@@ -4517,9 +4518,15 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr,
        NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
                    if_nametoindex(ifname));
 
-       return send_and_recv_msgs(drv, msg, NULL, NULL);
+       ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+       if (ret < 0) {
+               wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
+                          MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
+                          MAC2STR(addr), ifname, vlan_id, ret,
+                          strerror(-ret));
+       }
  nla_put_failure:
-       return -ENOBUFS;
+       return ret;
 }