wireless: Fix rate mask for scan request

The scan request received from cfg80211_connect do not
have proper rate mast. So the probe request sent on each
channel do not have proper the supported rates ie.

Cc: stable@kernel.org
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index b7b6ff8..dec0fa2 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -118,6 +118,8 @@
 			     i++, j++)
 				request->channels[i] =
 					&wdev->wiphy->bands[band]->channels[j];
+			request->rates[band] =
+				(1 << wdev->wiphy->bands[band]->n_bitrates) - 1;
 		}
 	}
 	request->n_channels = n_channels;