forked from luck/tmp_suning_uos_patched
get rid of nameidata_dentry_drop_rcu() calling nameidata_drop_rcu()
can't happen anymore and didn't work right anyway Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -455,14 +455,6 @@ static int nameidata_dentry_drop_rcu(struct nameidata *nd, struct dentry *dentry
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struct fs_struct *fs = current->fs;
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struct dentry *parent = nd->path.dentry;
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/*
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* It can be possible to revalidate the dentry that we started
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* the path walk with. force_reval_path may also revalidate the
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* dentry already committed to the nameidata.
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*/
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if (unlikely(parent == dentry))
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return nameidata_drop_rcu(nd);
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BUG_ON(!(nd->flags & LOOKUP_RCU));
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if (nd->root.mnt) {
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spin_lock(&fs->lock);
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