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authorGeliang Tang <geliangtang@gmail.com>2016-12-20 22:02:20 +0800
committerJuergen Gross <jgross@suse.com>2016-12-22 10:04:08 +0100
commit2f60b28831c7e63759b59113898e6fe4dc90dd43 (patch)
tree89d73950cb35df2b8ada0b26c60a40269a8fb58d /drivers/xen
parentxen/setup: Don't relocate p2m over existing one (diff)
downloadlinux-dev-2f60b28831c7e63759b59113898e6fe4dc90dd43.tar.xz
linux-dev-2f60b28831c7e63759b59113898e6fe4dc90dd43.zip
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@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/evtchn.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index e8c7f09d01be..6890897a6f30 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;