libertas: disable mesh temporarily while setting eth channel/assoc

Otherwise the device won't let us change channels.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index a4b9756ebb7f..7b672fe62cf9 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -204,6 +204,12 @@ static int assoc_helper_channel(struct lbs_private *priv,
         if (assoc_req->channel == priv->curbssparams.channel)
                 goto done;
 
+        if (priv->mesh_dev) {
+                /* Disconnect mesh while associating -- otherwise it
+                   won't let us change channels */
+                lbs_mesh_config(priv, 0);
+        }
+
         lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
                priv->curbssparams.channel, assoc_req->channel);
 
@@ -221,7 +227,7 @@ static int assoc_helper_channel(struct lbs_private *priv,
         if (assoc_req->channel != priv->curbssparams.channel) {
                 lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
                               assoc_req->channel);
-                goto done;
+                goto restore_mesh;
         }
 
         if (   assoc_req->secinfo.wep_enabled
@@ -236,7 +242,11 @@ static int assoc_helper_channel(struct lbs_private *priv,
         /* Must restart/rejoin adhoc networks after channel change */
         set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
 
-done:
+ restore_mesh:
+        if (priv->mesh_dev)
+                lbs_mesh_config(priv, 1);
+
+ done:
         lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
         return ret;
 }