diff options
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index c38c3a229d14..f09bab1cf275 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3255,19 +3255,18 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cftype *cft) * @is_add: whether to add or remove * * Depending on @is_add, add or remove files defined by @cfts on @cgrp. - * For removals, this function never fails. If addition fails, this - * function doesn't remove files already added. The caller is responsible - * for cleaning up. + * For removals, this function never fails. */ static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[], bool is_add) { - struct cftype *cft; + struct cftype *cft, *cft_end = NULL; int ret; lockdep_assert_held(&cgroup_mutex); - for (cft = cfts; cft->name[0] != '\0'; cft++) { +restart: + for (cft = cfts; cft != cft_end && cft->name[0] != '\0'; cft++) { /* does cft->flags tell us to skip this file on @cgrp? */ if ((cft->flags & __CFTYPE_ONLY_ON_DFL) && !cgroup_on_dfl(cgrp)) continue; @@ -3283,7 +3282,9 @@ static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[], if (ret) { pr_warn("%s: failed to add %s, err=%d\n", __func__, cft->name, ret); - return ret; + cft_end = cft; + is_add = false; + goto restart; } } else { cgroup_rm_file(cgrp, cft); |
