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proc: use rb_entry() 

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

Link: http://lkml.kernel.org/r/4fd1f82818665705ce75c5156a060ae7caa8e0a9.1482160150.git.geliangtang@gmail.com
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Juergen Gross <jgross@suse.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geliang Tang 2017-02-24 15:00:17 -08:00 committed by Linus Torvalds
parent 35ca6953ca
commit 4e4a7fb7b4
1 changed files with 6 additions and 5 deletions
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11
fs/proc/generic.c
View File

@ -57,9 +57,9 @@ static struct proc_dir_entry *pde_subdir_find(struct proc_dir_entry *dir,
struct rb_node *node = dir->subdir.rb_node;
while (node) {
struct proc_dir_entry *de = container_of(node,
struct proc_dir_entry,
subdir_node);
struct proc_dir_entry *de = rb_entry(node,
struct proc_dir_entry,
subdir_node);
int result = proc_match(len, name, de);
if (result < 0)
@ -80,8 +80,9 @@ static bool pde_subdir_insert(struct proc_dir_entry *dir,
/* Figure out where to put new node */
while (*new) {
struct proc_dir_entry *this =
container_of(*new, struct proc_dir_entry, subdir_node);
struct proc_dir_entry *this = rb_entry(*new,
struct proc_dir_entry,
subdir_node);
int result = proc_match(de->namelen, de->name, this);
parent = *new;