linux-kernel - [PATCH RESEND] PM/Hibernate: use rb

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Date:	Mon, 01 Oct 2012 12:12:52 +0200
From:	Davidlohr Bueso <dave@....org>
To:	Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Len Brown <len.brown@...el.com>
Cc:	linux-pm@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH RESEND] PM/Hibernate: use rb_entry

Since the software suspend extents are organized in an rbtree, use rb_entry
instead of container_of, as it is semantically more appropriate in order to
get a node as it is iterated.

Signed-off-by: Davidlohr Bueso <dave@....org>
---
 kernel/power/swap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 3c9d764..7c33ed2 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -126,7 +126,7 @@ static int swsusp_extents_insert(unsigned long swap_offset)
 
 	/* Figure out where to put the new node */
 	while (*new) {
-		ext = container_of(*new, struct swsusp_extent, node);
+		ext = rb_entry(*new, struct swsusp_extent, node);
 		parent = *new;
 		if (swap_offset < ext->start) {
 			/* Try to merge */
-- 
1.7.9.5



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