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kobject: return the result of uevent sending by netlink
[cascardo/linux.git]
/
kernel
/
cgroup.c
diff --git
a/kernel/cgroup.c
b/kernel/cgroup.c
index
48348dd
..
87bb025
100644
(file)
--- a/
kernel/cgroup.c
+++ b/
kernel/cgroup.c
@@
-573,7
+573,6
@@
static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb)
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
- inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
}
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
}
@@
-2945,7
+2944,11
@@
int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *subsys,
parent = task_cgroup(tsk, subsys->subsys_id);
/* Pin the hierarchy */
parent = task_cgroup(tsk, subsys->subsys_id);
/* Pin the hierarchy */
- atomic_inc(&parent->root->sb->s_active);
+ if (!atomic_inc_not_zero(&parent->root->sb->s_active)) {
+ /* We race with the final deactivate_super() */
+ mutex_unlock(&cgroup_mutex);
+ return 0;
+ }
/* Keep the cgroup alive */
get_css_set(cg);
/* Keep the cgroup alive */
get_css_set(cg);