From 7450e90bbb8d834c190cc8100d1cc41888358c7c Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 9 Jul 2014 10:08:07 -0400 Subject: cgroup: remove CGRP_ROOT_OPTION_MASK cgroup_root->flags only contains CGRP_ROOT_* flags and there's no reason to mask the flags. Remove CGRP_ROOT_OPTION_MASK. This doesn't cause any behavior differences. Signed-off-by: Tejun Heo Acked-by: Li Zefan --- kernel/cgroup.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'kernel/cgroup.c') diff --git a/kernel/cgroup.c b/kernel/cgroup.c index cd02e99..5411fff 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1490,11 +1490,10 @@ static int cgroup_remount(struct kernfs_root *kf_root, int *flags, char *data) removed_mask = root->subsys_mask & ~opts.subsys_mask; /* Don't allow flags or name to change at remount */ - if (((opts.flags ^ root->flags) & CGRP_ROOT_OPTION_MASK) || + if ((opts.flags ^ root->flags) || (opts.name && strcmp(opts.name, root->name))) { pr_err("option or name mismatch, new: 0x%x \"%s\", old: 0x%x \"%s\"\n", - opts.flags & CGRP_ROOT_OPTION_MASK, opts.name ?: "", - root->flags & CGRP_ROOT_OPTION_MASK, root->name); + opts.flags, opts.name ?: "", root->flags, root->name); ret = -EINVAL; goto out_unlock; } @@ -1762,7 +1761,7 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, goto out_unlock; } - if ((root->flags ^ opts.flags) & CGRP_ROOT_OPTION_MASK) { + if (root->flags ^ opts.flags) { if ((root->flags | opts.flags) & CGRP_ROOT_SANE_BEHAVIOR) { pr_err("sane_behavior: new mount options should match the existing superblock\n"); ret = -EINVAL; -- cgit v1.1