1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index b1e24723f2f9..3e8d555ba3a9 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -734,6 +734,13 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 
         lbs_deb_enter(LBS_DEB_WEXT);
 
+        if (!priv->ps_supported) {
+                if (vwrq->disabled)
+                        return 0;
+                else
+                        return -EINVAL;
+        }
+
         /* PS is currently supported only in Infrastructure mode
          * Remove this check if it is to be supported in IBSS mode also
          */