From 7f70893173b056df691b2ee7546bb44fd9abae6a Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jan=20H=2E=20Sch=C3=B6nherr?= <schnhrr@cs.tu-berlin.de>
Date: Tue, 19 Jul 2011 21:10:26 +0200
Subject: [PATCH] rcu: Fix wrong check in list_splice_init_rcu()
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If the list to be spliced is empty, then list_splice_init_rcu() has
nothing to do.  Unfortunately, list_splice_init_rcu() does not check
the list to be spliced; it instead checks the list to be spliced into.
This results in memory leaks given current usage.  This commit
therefore fixes the empty-list check.

Signed-off-by: Jan H. Schönherr <schnhrr@cs.tu-berlin.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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