wl1271: Fix WEP key handling

WEP key index handling was broken: the default key when using key 0 was never
specified to the FW, and if using other default than 0, it would be set on the
TX path for every single TX'd frame.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 4a0a15b..459d9a0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1475,6 +1475,14 @@
 			wl1271_error("Could not add or replace key");
 			goto out_sleep;
 		}
+
+		/* the default WEP key needs to be configured at least once */
+		if (key_type == KEY_WEP) {
+			ret = wl1271_cmd_set_default_wep_key(wl,
+							     wl->default_key);
+			if (ret < 0)
+				goto out_sleep;
+		}
 		break;
 
 	case DISABLE_KEY:
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index f6815a9..f9e0638 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -203,6 +203,7 @@
 			ret = wl1271_cmd_set_default_wep_key(wl, idx);
 			if (ret < 0)
 				return ret;
+			wl->default_key = idx;
 		}
 	}