linux-kernel - [ 193/221] libceph: init event->node in ceph_osdc_create

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Date:	Tue, 15 Jan 2013 10:52:00 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Alex Elder <elder@...tank.com>,
	Sage Weil <sage@...tank.com>
Subject: [ 193/221] libceph: init event->node in ceph_osdc_create_event()

3.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Elder <elder@...tank.com>

(cherry picked from commit 3ee5234df68d253c415ba4f2db72ad250d9c21a9)

The red-black node node in the ceph osd event structure is not
initialized in create_osdc_create_event().  Because this node can
be the subject of a RB_EMPTY_NODE() call later on, we should ensure
the node is initialized properly for that.

Signed-off-by: Alex Elder <elder@...tank.com>
Reviewed-by: Sage Weil <sage@...tank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ceph/osd_client.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1600,6 +1600,7 @@ int ceph_osdc_create_event(struct ceph_o
 	event->data = data;
 	event->osdc = osdc;
 	INIT_LIST_HEAD(&event->osd_node);
+	RB_CLEAR_NODE(&event->node);
 	kref_init(&event->kref);   /* one ref for us */
 	kref_get(&event->kref);    /* one ref for the caller */
 	init_completion(&event->completion);


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