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[106.187.91.102]) by smtp.gmail.com with ESMTPSA id z29sm13181664pgc.11.2016.12.20.06.03.21 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 20 Dec 2016 06:03:21 -0800 (PST) From: Geliang Tang To: Boris Ostrovsky , Juergen Gross Date: Tue, 20 Dec 2016 22:02:20 +0800 Message-Id: <56f3df3380cd7214ce0b2e151f2aa757b0eaca2c.1482205472.git.geliangtang@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: References: Cc: Geliang Tang , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: [Xen-devel] [PATCH] xen/evtchn: use rb_entry() X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP To make the code clearer, use rb_entry() instead of container_of() to deal with rbtree. Signed-off-by: Geliang Tang Reviewed-by: Juergen Gross --- drivers/xen/evtchn.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index e8c7f09..6890897 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -125,7 +125,7 @@ static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) while (*new) { struct user_evtchn *this; - this = container_of(*new, struct user_evtchn, node); + this = rb_entry(*new, struct user_evtchn, node); parent = *new; if (this->port < evtchn->port) @@ -157,7 +157,7 @@ static struct user_evtchn *find_evtchn(struct per_user_data *u, unsigned port) while (node) { struct user_evtchn *evtchn; - evtchn = container_of(node, struct user_evtchn, node); + evtchn = rb_entry(node, struct user_evtchn, node); if (evtchn->port < port) node = node->rb_left;