linux-kernel - [PATCH] powerpc/perf/24x7: use rb

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Message-Id: <38870b7604726c87e468f365ebe9236994c33f29.1482203132.git.geliangtang@gmail.com>
Date:   Tue, 20 Dec 2016 22:02:17 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        David Gibson <david@...son.dropbear.id.au>
Cc:     Geliang Tang <geliangtang@...il.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] powerpc/perf/24x7: use rb_entry

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 arch/powerpc/perf/hv-24x7.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 7b2ca16..51bd3b4 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -547,7 +547,7 @@ static int event_uniq_add(struct rb_root *root, const char *name, int nl,
 		struct event_uniq *it;
 		int result;
 
-		it = container_of(*new, struct event_uniq, node);
+		it = rb_entry(*new, struct event_uniq, node);
 		result = ev_uniq_ord(name, nl, domain, it->name, it->nl,
 					it->domain);
 
-- 
2.9.3