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Merge branch 'for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

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Pull cgroup updates from Tejun Heo:
 "Nothing too interesting. Documentation updates and trivial changes;
  however, this pull request does containt he previusly discussed
  dropping of __must_check from strscpy()"

* 'for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  Documentation: Fix 'file_mapped' -> 'mapped_file'
  string: drop __must_check from strscpy() and restore strscpy() usages in cgroup
  cgroup, docs: document the root cgroup behavior of cpu and io controllers
  cgroup-v2.txt: fix typos
  cgroup: Update documentation reference
  Documentation/cgroup-v1: fix outdated programming details
  cgroup, docs: document cgroup v2 device controller
This commit is contained in:
Linus Torvalds 2018-01-30 15:09:47 -08:00
commit 13ddd1667e
6 changed files with 76 additions and 22 deletions
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6
kernel/cgroup/cgroup.c
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@ -1397,7 +1397,7 @@ static char *cgroup_file_name(struct cgroup *cgrp, const struct cftype *cft,
cgroup_on_dfl(cgrp) ? ss->name : ss->legacy_name,
cft->name);
else
strlcpy(buf, cft->name, CGROUP_FILE_NAME_MAX);
strscpy(buf, cft->name, CGROUP_FILE_NAME_MAX);
return buf;
}
@ -1864,9 +1864,9 @@ void init_cgroup_root(struct cgroup_root *root, struct cgroup_sb_opts *opts)
root->flags = opts->flags;
if (opts->release_agent)
strlcpy(root->release_agent_path, opts->release_agent, PATH_MAX);
strscpy(root->release_agent_path, opts->release_agent, PATH_MAX);
if (opts->name)
strlcpy(root->name, opts->name, MAX_CGROUP_ROOT_NAMELEN);
strscpy(root->name, opts->name, MAX_CGROUP_ROOT_NAMELEN);
if (opts->cpuset_clone_children)
set_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags);
}