drbd: ->d_parent is never NULL or negative
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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parent
2853908a59
commit
07a8e62fde
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@ -430,9 +430,6 @@ static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, vo
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/* Are we still linked,
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* or has debugfs_remove() already been called? */
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parent = file->f_path.dentry->d_parent;
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/* not sure if this can happen: */
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if (!parent || d_really_is_negative(parent))
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goto out;
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/* serialize with d_delete() */
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inode_lock(d_inode(parent));
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/* Make sure the object is still alive */
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@ -445,7 +442,6 @@ static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, vo
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if (ret)
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kref_put(kref, release);
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}
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out:
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return ret;
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}
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@ -191,10 +191,6 @@ void securityfs_remove(struct dentry *dentry)
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if (!dentry || IS_ERR(dentry))
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return;
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parent = dentry->d_parent;
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if (!parent || d_really_is_negative(parent))
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return;
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inode_lock(d_inode(parent));
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if (simple_positive(dentry)) {
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if (d_is_dir(dentry))
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