From: Chris Metcalf <cmetcalf@tilera.com>
Date: Tue, 29 May 2012 22:07:31 +0000 (-0700)
Subject: list_debug: WARN for adding something already in the list
X-Git-Tag: v3.5-rc1~49^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17a801f4bfeb8d55df1b05fa7adb16ada504e765;p=pandora-kernel.git

list_debug: WARN for adding something already in the list

We were bitten by this at one point and added an additional sanity test
for DEBUG_LIST.  You can't validly add a list_head to a list where either
prev or next is the same as the thing you're adding.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed