block: drbd: remove a stray unlock in __drbd_send_protocol()
commit 8e9c5230 upstream. There are two callers of this function and they both unlock the mutex so this ends up being a double unlock. Fixes: 44ed167d ("drbd: rcu_read_lock() and rcu_dereference() for tconn->net_conf") Signed-off-by:Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk>
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