[PATCH] 6lowpan: Add missing locking

[Pavel Machek]

I believe set_lock should be taken in exit function, too.

Signed-off-by: Pavel Machek (CIP) <pa...@denx.de>


diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index cff4944d5b66..1420734394e9 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1301,10 +1301,12 @@ static void __exit bt_6lowpan_exit(void)
        debugfs_remove(lowpan_enable_debugfs);
        debugfs_remove(lowpan_control_debugfs);
 
+       mutex_lock(&set_lock);
        if (listen_chan) {
                l2cap_chan_close(listen_chan, 0);
                l2cap_chan_put(listen_chan);
        }
+       mutex_unlock(&set_lock);
 
        disconnect_devices();
 
    
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