diff options
| -rw-r--r-- | include/linux/cgroup.h | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index acbb9a4cb6e9..9f4f253f0e47 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -508,39 +508,23 @@ struct cgroup_subsys_state *seq_css(struct seq_file *seq); static inline int cgroup_name(struct cgroup *cgrp, char *buf, size_t buflen) { - /* dummy_top doesn't have a kn associated */ - if (cgrp->kn) - return kernfs_name(cgrp->kn, buf, buflen); - else - return strlcpy(buf, "/", buflen); + return kernfs_name(cgrp->kn, buf, buflen); } static inline char * __must_check cgroup_path(struct cgroup *cgrp, char *buf, size_t buflen) { - /* dummy_top doesn't have a kn associated */ - if (cgrp->kn) - return kernfs_path(cgrp->kn, buf, buflen); - strlcpy(buf, "/", buflen); - return (buflen <= 2) ? NULL : buf; + return kernfs_path(cgrp->kn, buf, buflen); } static inline void pr_cont_cgroup_name(struct cgroup *cgrp) { - /* dummy_top doesn't have a kn associated */ - if (cgrp->kn) - pr_cont_kernfs_name(cgrp->kn); - else - pr_cont("/"); + pr_cont_kernfs_name(cgrp->kn); } static inline void pr_cont_cgroup_path(struct cgroup *cgrp) { - /* dummy_top doesn't have a kn associated */ - if (cgrp->kn) - pr_cont_kernfs_path(cgrp->kn); - else - pr_cont("/"); + pr_cont_kernfs_path(cgrp->kn); } char *task_cgroup_path(struct task_struct *task, char *buf, size_t buflen); |