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Date: Tue, 20 Dec 2016 22:02:20 +0800 From: Geliang Tang <geliangtang@...il.com> To: Boris Ostrovsky <boris.ostrovsky@...cle.com>, Juergen Gross <jgross@...e.com> Cc: Geliang Tang <geliangtang@...il.com>, xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org Subject: [PATCH] xen/evtchn: 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> --- 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; -- 2.9.3
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