From a3535c7e4f4495fe947f7901d25447d80e04fe52 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 21 Jan 2013 17:18:59 +1030
Subject: [PATCH] module: clean up load_module a little more.

1fb9341ac34825aa40354e74d9a2c69df7d2c304 made our locking in
load_module more complicated: we grab the mutex once to insert the
module in the list, then again to upgrade it once it's formed.

Since the locking is self-contained, it's neater to do this in
separate functions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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