nl80211: Print NL80211_CMD_SET_POWER_SAVE errors in debug log

This makes it easier to understand what happened with PS configuration.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 66b69892b57af9b0c14d6aae6f2f49dae62934e2..34003476464fe92e5b8ed4689de4e2c9f3c33af3 100644 (file)
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -8051,6 +8051,7 @@ static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
 {
        struct nl_msg *msg;
+       int ret;
 
        if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
            nla_put_u32(msg, NL80211_ATTR_PS_STATE,
@@ -8058,7 +8059,15 @@ static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
                nlmsg_free(msg);
                return -ENOBUFS;
        }
-       return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+
+       ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+       if (ret < 0) {
+               wpa_printf(MSG_DEBUG,
+                          "nl80211: Setting PS state %s failed: %d (%s)",
+                          enabled ? "enabled" : "disabled",
+                          ret, strerror(-ret));
+       }
+       return ret;
 }