diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index c9401c121a14e6dfd11d41aca19fb8d4f25b706b..68985d76634919a7afdd0f9d8dca0a57d4debeb4 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -1785,6 +1785,7 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
 		rates_max = rates_eid[1];
 		if (rates_max > MAX_RATES) {
 			lbs_deb_join("invalid rates");
+			rcu_read_unlock();
 			goto out;
 		}
 		rates = cmd.bss.rates;