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Diffstat (limited to 'kernel')
-rw-r--r--kernel/cgroup.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 28debe4e148..249a517591b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -355,6 +355,17 @@ static struct css_set *find_existing_css_set(
return NULL;
}
+static void free_cg_links(struct list_head *tmp)
+{
+ struct cg_cgroup_link *link;
+ struct cg_cgroup_link *saved_link;
+
+ list_for_each_entry_safe(link, saved_link, tmp, cgrp_link_list) {
+ list_del(&link->cgrp_link_list);
+ kfree(link);
+ }
+}
+
/*
* allocate_cg_links() allocates "count" cg_cgroup_link structures
* and chains them on tmp through their cgrp_link_list fields. Returns 0 on
@@ -363,17 +374,12 @@ static struct css_set *find_existing_css_set(
static int allocate_cg_links(int count, struct list_head *tmp)
{
struct cg_cgroup_link *link;
- struct cg_cgroup_link *saved_link;
int i;
INIT_LIST_HEAD(tmp);
for (i = 0; i < count; i++) {
link = kmalloc(sizeof(*link), GFP_KERNEL);
if (!link) {
- list_for_each_entry_safe(link, saved_link, tmp,
- cgrp_link_list) {
- list_del(&link->cgrp_link_list);
- kfree(link);
- }
+ free_cg_links(tmp);
return -ENOMEM;
}
list_add(&link->cgrp_link_list, tmp);
@@ -381,17 +387,6 @@ static int allocate_cg_links(int count, struct list_head *tmp)
return 0;
}
-static void free_cg_links(struct list_head *tmp)
-{
- struct cg_cgroup_link *link;
- struct cg_cgroup_link *saved_link;
-
- list_for_each_entry_safe(link, saved_link, tmp, cgrp_link_list) {
- list_del(&link->cgrp_link_list);
- kfree(link);
- }
-}
-
/*
* find_css_set() takes an existing cgroup group and a
* cgroup object, and returns a css_set object that's
@@ -956,7 +951,6 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
struct super_block *sb;
struct cgroupfs_root *root;
struct list_head tmp_cg_links;
- INIT_LIST_HEAD(&tmp_cg_links);
/* First find the desired set of subsystems */
ret = parse_cgroupfs_options(data, &opts);