From 6fca28ed0cec91872510658b8aeac695e8f11812 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 18 Feb 2009 10:30:15 +0100
Subject: [PATCH] --- yaml --- r: 131525 b: refs/heads/master c:
 be987fdb55a4726e2fcbab7501f89276bdb57288 h: refs/heads/master i:   131523:
 b1bc0a6a957c9d16a0fb51564e8584424fe0748a v: v3

---
 [refs]                    | 2 +-
 trunk/block/blk-timeout.c | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 7783d1d977d4..3f1012790954 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 41b8c853a495438208faa5be03bbb0050859163b
+refs/heads/master: be987fdb55a4726e2fcbab7501f89276bdb57288
diff --git a/trunk/block/blk-timeout.c b/trunk/block/blk-timeout.c
index a09535377a94..bbbdc4b8ccf2 100644
--- a/trunk/block/blk-timeout.c
+++ b/trunk/block/blk-timeout.c
@@ -209,12 +209,19 @@ void blk_abort_queue(struct request_queue *q)
 {
 	unsigned long flags;
 	struct request *rq, *tmp;
+	LIST_HEAD(list);
 
 	spin_lock_irqsave(q->queue_lock, flags);
 
 	elv_abort_queue(q);
 
-	list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list)
+	/*
+	 * Splice entries to local list, to avoid deadlocking if entries
+	 * get readded to the timeout list by error handling
+	 */
+	list_splice_init(&q->timeout_list, &list);
+
+	list_for_each_entry_safe(rq, tmp, &list, timeout_list)
 		blk_abort_request(rq);
 
 	spin_unlock_irqrestore(q->queue_lock, flags);