Switch proc/self to nd_set_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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ac278a9c50
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@ -2369,16 +2369,30 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
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{
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struct pid_namespace *ns = dentry->d_sb->s_fs_info;
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pid_t tgid = task_tgid_nr_ns(current, ns);
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char tmp[PROC_NUMBUF];
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if (!tgid)
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return ERR_PTR(-ENOENT);
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sprintf(tmp, "%d", task_tgid_nr_ns(current, ns));
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return ERR_PTR(vfs_follow_link(nd,tmp));
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char *name = ERR_PTR(-ENOENT);
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if (tgid) {
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name = __getname();
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if (!name)
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name = ERR_PTR(-ENOMEM);
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else
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sprintf(name, "%d", tgid);
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}
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nd_set_link(nd, name);
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return NULL;
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}
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static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
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void *cookie)
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{
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char *s = nd_get_link(nd);
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if (!IS_ERR(s))
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__putname(s);
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}
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static const struct inode_operations proc_self_inode_operations = {
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.readlink = proc_self_readlink,
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.follow_link = proc_self_follow_link,
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.put_link = proc_self_put_link,
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};
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/*
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